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‎config.json‎

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"slug": "beer-song",
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"name": "Beer Song",
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"uuid": "4ae402a7-5345-429a-a6af-e95ec5b95e13",
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"practices": [],
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"prerequisites": [],
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"difficulty": 3,
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"status": "deprecated"
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},
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{
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"slug": "bottle-song",
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"name": "Bottle Song",
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"uuid": "745b56de-ddfd-4e93-908b-1dc935c6f8bb",
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"practices": [
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"switch-statements",
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"string-formatting"

‎exercises/Exercises.sln‎

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@@ -355,6 +355,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Satellite", "practice\satel
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "StateOfTicTacToe", "practice\state-of-tic-tac-toe\StateOfTicTacToe.csproj", "{67E9BAB3-9805-42F1-9298-E9BBB795140E}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BottleSong", "practice\bottle-song\BottleSong.csproj", "{6BD384E6-225E-4F8A-856C-3079957C6E36}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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{67E9BAB3-9805-42F1-9298-E9BBB795140E}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{67E9BAB3-9805-42F1-9298-E9BBB795140E}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{67E9BAB3-9805-42F1-9298-E9BBB795140E}.Release|Any CPU.Build.0 = Release|Any CPU
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{6BD384E6-225E-4F8A-856C-3079957C6E36}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{6BD384E6-225E-4F8A-856C-3079957C6E36}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{6BD384E6-225E-4F8A-856C-3079957C6E36}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{6BD384E6-225E-4F8A-856C-3079957C6E36}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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{BEBBD420-075D-46F1-AE51-CC9A05FECE4A} = {E276EF69-669A-43E0-88AC-8ABB17A9C026}
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{8E276065-1371-4CFA-BA20-95225EC6AEBC} = {E276EF69-669A-43E0-88AC-8ABB17A9C026}
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{67E9BAB3-9805-42F1-9298-E9BBB795140E} = {E276EF69-669A-43E0-88AC-8ABB17A9C026}
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{6BD384E6-225E-4F8A-856C-3079957C6E36} = {E276EF69-669A-43E0-88AC-8ABB17A9C026}
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {AB4EA6C9-5461-4024-BDC7-2AE0C3A85CD1}

‎exercises/practice/bottle-song/.docs/instructions.md‎

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# Instructions
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Recite the lyrics to that popular children's repetitive song: Ten Green Bottles.
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Note that not all verses are identical.
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```text
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Ten green bottles hanging on the wall,
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Ten green bottles hanging on the wall,
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And if one green bottle should accidentally fall,
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There'll be nine green bottles hanging on the wall.
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Nine green bottles hanging on the wall,
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Nine green bottles hanging on the wall,
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And if one green bottle should accidentally fall,
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There'll be eight green bottles hanging on the wall.
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Eight green bottles hanging on the wall,
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Eight green bottles hanging on the wall,
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And if one green bottle should accidentally fall,
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There'll be seven green bottles hanging on the wall.
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Seven green bottles hanging on the wall,
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Seven green bottles hanging on the wall,
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And if one green bottle should accidentally fall,
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There'll be six green bottles hanging on the wall.
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Six green bottles hanging on the wall,
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Six green bottles hanging on the wall,
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And if one green bottle should accidentally fall,
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There'll be five green bottles hanging on the wall.
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Five green bottles hanging on the wall,
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Five green bottles hanging on the wall,
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And if one green bottle should accidentally fall,
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There'll be four green bottles hanging on the wall.
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Four green bottles hanging on the wall,
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Four green bottles hanging on the wall,
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And if one green bottle should accidentally fall,
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There'll be three green bottles hanging on the wall.
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Three green bottles hanging on the wall,
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Three green bottles hanging on the wall,
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And if one green bottle should accidentally fall,
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There'll be two green bottles hanging on the wall.
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Two green bottles hanging on the wall,
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Two green bottles hanging on the wall,
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And if one green bottle should accidentally fall,
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There'll be one green bottle hanging on the wall.
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One green bottle hanging on the wall,
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One green bottle hanging on the wall,
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And if one green bottle should accidentally fall,
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There'll be no green bottles hanging on the wall.
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```

‎exercises/practice/bottle-song/.editorconfig‎

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###############################
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# Core EditorConfig Options #
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###############################
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; This file is for unifying the coding style for different editors and IDEs.
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; More information at:
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; https://docs.microsoft.com/en-us/visualstudio/ide/editorconfig-code-style-settings-reference?view=vs-2017
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; https://docs.microsoft.com/en-us/visualstudio/ide/create-portable-custom-editor-options?view=vs-2017
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root = true
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[*]
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indent_style = space
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[BottleSong.cs]
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indent_size = 4
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###############################
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# .NET Coding Conventions #
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###############################
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# Organize usings
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dotnet_sort_system_directives_first = true
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dotnet_separate_import_directive_groups = true
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# this. preferences
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dotnet_style_qualification_for_field = false:suggestion
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dotnet_style_qualification_for_property = false:suggestion
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dotnet_style_qualification_for_method = false:suggestion
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dotnet_style_qualification_for_event = false:suggestion
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# Language keywords vs BCL types preferences
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dotnet_style_predefined_type_for_locals_parameters_members = true:suggestion
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dotnet_style_predefined_type_for_member_access = true:suggestion
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# Parentheses preferences
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dotnet_style_parentheses_in_arithmetic_binary_operators = never_if_unnecessary:none
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dotnet_style_parentheses_in_relational_binary_operators = never_if_unnecessary:none
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dotnet_style_parentheses_in_other_binary_operators = never_if_unnecessary:none
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dotnet_style_parentheses_in_other_operators = never_if_unnecessary:suggestion
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# Modifier preferences
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dotnet_style_require_accessibility_modifiers = always:suggestion
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dotnet_style_readonly_field = true:suggestion
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# Expression-level preferences
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dotnet_style_object_initializer = true:suggestion
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dotnet_style_collection_initializer = true:suggestion
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dotnet_style_explicit_tuple_names = true:suggestion
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dotnet_style_prefer_inferred_tuple_names = true:suggestion
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dotnet_style_prefer_inferred_anonymous_type_member_names = true:suggestion
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dotnet_style_prefer_auto_properties = true:suggestion
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dotnet_style_prefer_is_null_check_over_reference_equality_method = true:suggestion
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dotnet_style_prefer_conditional_expression_over_assignment = true:suggestion
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dotnet_style_prefer_conditional_expression_over_return = true:suggestion
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dotnet_style_coalesce_expression = true:suggestion
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dotnet_style_null_propagation = true:suggestion
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###############################
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# Naming Conventions #
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###############################
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# Style Definitions
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dotnet_naming_style.pascal_case_style.capitalization = pascal_case
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# Use PascalCase for constant fields
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dotnet_naming_rule.constant_fields_should_be_pascal_case.severity = suggestion
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dotnet_naming_rule.constant_fields_should_be_pascal_case.symbols = constant_fields
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dotnet_naming_rule.constant_fields_should_be_pascal_case.style = pascal_case_style
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dotnet_naming_symbols.constant_fields.applicable_kinds = field
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dotnet_naming_symbols.constant_fields.applicable_accessibilities = *
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dotnet_naming_symbols.constant_fields.required_modifiers = const
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###############################
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# C# Code Style Rules #
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###############################
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# var preferences
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csharp_style_var_for_built_in_types = true:none
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csharp_style_var_when_type_is_apparent = true:none
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csharp_style_var_elsewhere = true:none
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# Expression-bodied members
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csharp_style_expression_bodied_methods = true:suggestion
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csharp_style_expression_bodied_constructors = true:suggestion
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csharp_style_expression_bodied_operators = true:suggestion
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csharp_style_expression_bodied_properties = true:suggestion
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csharp_style_expression_bodied_indexers = true:suggestion
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csharp_style_expression_bodied_accessors = true:suggestion
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# Pattern-matching preferences
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csharp_style_pattern_matching_over_is_with_cast_check = true:suggestion
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csharp_style_pattern_matching_over_as_with_null_check = true:suggestion
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# Null-checking preferences
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csharp_style_throw_expression = true:suggestion
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csharp_style_conditional_delegate_call = true:suggestion
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# Modifier preferences
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csharp_preferred_modifier_order = public,private,protected,internal,static,extern,new,virtual,abstract,sealed,override,readonly,unsafe,volatile,async:suggestion
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# Expression-level preferences
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csharp_prefer_braces = true:none
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csharp_prefer_simple_default_expression = true:suggestion
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csharp_style_deconstructed_variable_declaration = true:suggestion
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csharp_style_pattern_local_over_anonymous_function = true:suggestion
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csharp_style_inlined_variable_declaration = true:suggestion
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###############################
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# C# Formatting Rules #
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###############################
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# New line preferences
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csharp_new_line_before_open_brace = all
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csharp_new_line_before_else = true
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csharp_new_line_before_catch = true
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csharp_new_line_before_finally = true
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csharp_new_line_before_members_in_object_initializers = false
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csharp_new_line_before_members_in_anonymous_types = false
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csharp_new_line_between_query_expression_clauses = true
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# Indentation preferences
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csharp_indent_case_contents = true
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csharp_indent_switch_labels = true
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csharp_indent_labels = flush_left
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# Space preferences
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csharp_space_after_cast = false
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csharp_space_after_keywords_in_control_flow_statements = true
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csharp_space_between_method_declaration_parameter_list_parentheses = false
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csharp_space_between_method_call_parameter_list_parentheses = false
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csharp_space_before_colon_in_inheritance_clause = true
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csharp_space_after_colon_in_inheritance_clause = true
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csharp_space_around_binary_operators = before_and_after
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csharp_space_between_method_declaration_empty_parameter_list_parentheses = false
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csharp_space_between_method_call_name_and_opening_parenthesis = false
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csharp_space_between_method_call_empty_parameter_list_parentheses = false
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# Wrapping preferences
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csharp_preserve_single_line_blocks = true
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csharp_preserve_single_line_statements = true

‎exercises/practice/bottle-song/.meta/Example.cs‎

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using System;
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using System.Collections.Generic;
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using System.Linq;
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public static class BottleSong
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{
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public static IEnumerable<string> Recite(int startBottles, int takeDown)
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=> Enumerable
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.Range(startBottles - takeDown + 1, takeDown)
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.Reverse()
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.Select(Verse)
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.SelectMany((v, i) =>
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{
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if (i == 0)
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{
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return v;
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}
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List<string> delimiter = [string.Empty];
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return delimiter.Concat(v);
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})
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.ToList();
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private static List<string> Verse(int number)
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{
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string bottles = number == 1 ? "bottle" : "bottles";
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string nextBottles = (number - 1) == 1 ? "bottle" : "bottles";
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string currCount = DecimalToOrdinal(number);
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string nextCount = DecimalToOrdinal(number - 1);
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return [
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$"{currCount} green {bottles} hanging on the wall,",
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$"{currCount} green {bottles} hanging on the wall,",
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"And if one green bottle should accidentally fall,",
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$"There'll be {nextCount.ToLowerInvariant()} green {nextBottles} hanging on the wall."
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];
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}
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private static string DecimalToOrdinal(int number)
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=> number switch
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{
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0 => "No",
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1 => "One",
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2 => "Two",
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3 => "Three",
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4 => "Four",
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5 => "Five",
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6 => "Six",
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7 => "Seven",
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8 => "Eight",
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9 => "Nine",
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10 => "Ten",
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_ => throw new NotImplementedException()
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};
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}

‎exercises/practice/bottle-song/.meta/Generator.tpl‎

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using Xunit;
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public class {{ testClass }}
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{
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{{- for test in tests }}
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[Fact{{ if !for.first }}(Skip = "Remove this Skip property to run this test"){{ end }}]
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public void {{ test.testMethod }}()
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{
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Assert.Equal({{ test.expected }}, {{ testedClass }}.{{ test.testedMethod }}({{ test.input.startBottles }}, {{ test.input.takeDown }}));
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}
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{{ end -}}
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}

‎exercises/practice/bottle-song/.meta/config.json‎

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{
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"authors": [
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"BNAndras",
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"ErikSchierboom"
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],
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"files": {
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"solution": [
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"BottleSong.cs"
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],
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"test": [
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"BottleSongTests.cs"
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],
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"example": [
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".meta/Example.cs"
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]
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},
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"blurb": "Produce the lyrics to the popular children's repetitive song: Ten Green Bottles.",
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"source": "Wikipedia",
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"source_url": "https://en.wikipedia.org/wiki/Ten_Green_Bottles"
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}

‎exercises/practice/bottle-song/.meta/tests.toml‎

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# This is an auto-generated file.
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#
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# Regenerating this file via `configlet sync` will:
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# - Recreate every `description` key/value pair
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# - Recreate every `reimplements` key/value pair, where they exist in problem-specifications
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# - Remove any `include = true` key/value pair (an omitted `include` key implies inclusion)
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# - Preserve any other key/value pair
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#
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# As user-added comments (using the # character) will be removed when this file
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# is regenerated, comments can be added via a `comment` key.
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[d4ccf8fc-01dc-48c0-a201-4fbeb30f2d03]
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description = "verse -> single verse -> first generic verse"
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[0f0aded3-472a-4c64-b842-18d4f1f5f030]
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description = "verse -> single verse -> last generic verse"
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[f61f3c97-131f-459e-b40a-7428f3ed99d9]
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description = "verse -> single verse -> verse with 2 bottles"
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[05eadba9-5dbd-401e-a7e8-d17cc9baa8e0]
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description = "verse -> single verse -> verse with 1 bottle"
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[a4a28170-83d6-4dc1-bd8b-319b6abb6a80]
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description = "lyrics -> multiple verses -> first two verses"
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[3185d438-c5ac-4ce6-bcd3-02c9ff1ed8db]
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description = "lyrics -> multiple verses -> last three verses"
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[28c1584a-0e51-4b65-9ae2-fbc0bf4bbb28]
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description = "lyrics -> multiple verses -> all verses"

‎exercises/practice/bottle-song/BottleSong.cs‎

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using System;
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public static class BottleSong
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{
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public static string Recite(int startBottles, int takeDown)
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{
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throw new NotImplementedException("You need to implement this method.");
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}
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}

‎exercises/practice/bottle-song/BottleSong.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net9.0</TargetFramework>
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<IsPackable>false</IsPackable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Exercism.Tests" Version="0.1.0-beta1" />
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<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
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<PackageReference Include="xunit" Version="2.8.1" />
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<PackageReference Include="xunit.runner.visualstudio" Version="3.0.1">
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<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
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<PrivateAssets>all</PrivateAssets>
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</PackageReference>
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</ItemGroup>
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</Project>

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