Fix to_string(std::any) overload

filipsajdak · filipsajdak · commit e7c6a67fdbf4 · 2023-01-06T15:51:16.000+01:00
diff --git a/include/cpp2util.h b/include/cpp2util.h
@@ -1114,7 +1114,9 @@ inline auto to_string(...) -> std::string {
     return "(customize me - no cpp2::to_string overload exists for this type)";
 }
 
-inline auto to_string(std::any const&) -> std::string {
+template<typename T>
+    requires std::is_same_v<T, std::any>
+inline auto to_string(T const&) -> std::string {
     return "std::any";
 }
 
diff --git a/regression-tests/test-results/clang-12/mixed-string-interpolation.cpp.execution b/regression-tests/test-results/clang-12/mixed-string-interpolation.cpp.execution
@@ -14,4 +14,4 @@ p = (first, (empty))
 t = (3.140000, (empty), (empty))
 vv = 0
 vv = (1, 2.300000)
-custom = std::any
+custom = (customize me - no cpp2::to_string overload exists for this type)

Original file line number	Diff line number	Diff line change
`@@ -1114,7 +1114,9 @@ inline auto to_string(...) -> std::string {`
`1114`	`1114`	`return "(customize me - no cpp2::to_string overload exists for this type)";`
`1115`	`1115`	`}`
`1116`	`1116`
`1117`		`-inline auto to_string(std::any const&) -> std::string {`
	`1117`	`+template<typename T>`
	`1118`	`+ requires std::is_same_v<T, std::any>`
	`1119`	`+inline auto to_string(T const&) -> std::string {`
`1118`	`1120`	`return "std::any";`
`1119`	`1121`	`}`
`1120`	`1122`