[meta.{syn, reflection.traits}] Rename "swappable_with_type" parameters to type1, type2.

These functions are symmetric and don't have a "src" and "dst".

Author: tkoeppe

source/meta.tex

@@ -3170,7 +3170,7 @@
   consteval bool is_copy_assignable_type(info type);
   consteval bool is_move_assignable_type(info type);
 
-  consteval bool is_swappable_with_type(info type_dst, info type_src);
+  consteval bool is_swappable_with_type(info type1, info type2);
   consteval bool is_swappable_type(info type);
 
   consteval bool is_destructible_type(info type);
@@ -3196,7 +3196,7 @@
   consteval bool is_nothrow_copy_assignable_type(info type);
   consteval bool is_nothrow_move_assignable_type(info type);
 
-  consteval bool is_nothrow_swappable_with_type(info type_dst, info type_src);
+  consteval bool is_nothrow_swappable_with_type(info type1, info type2);
   consteval bool is_nothrow_swappable_type(info type);
 
   consteval bool is_nothrow_destructible_type(info type);
@@ -6623,7 +6623,7 @@
 consteval bool @\libglobal{is_copy_assignable_type}@(info type);
 consteval bool @\libglobal{is_move_assignable_type}@(info type);
 
-consteval bool @\libglobal{is_swappable_with_type}@(info type_dst, info type_src);
+consteval bool @\libglobal{is_swappable_with_type}@(info type1, info type2);
 consteval bool @\libglobal{is_swappable_type}@(info type);
 
 consteval bool @\libglobal{is_destructible_type}@(info type);
@@ -6649,7 +6649,7 @@
 consteval bool @\libglobal{is_nothrow_copy_assignable_type}@(info type);
 consteval bool @\libglobal{is_nothrow_move_assignable_type}@(info type);
 
-consteval bool @\libglobal{is_nothrow_swappable_with_type}@(info type_dst, info type_src);
+consteval bool @\libglobal{is_nothrow_swappable_with_type}@(info type1, info type2);
 consteval bool @\libglobal{is_nothrow_swappable_type}@(info type);
 
 consteval bool @\libglobal{is_nothrow_destructible_type}@(info type);