fix for old clang?

Author: hanickadot

include/ctre/return_type.hpp

@@ -80,11 +80,15 @@ template <size_t Id, typename Name = void> struct captured_content {
 			} else { // I'm doing this to avoid warning about dead code
 			#endif
 
-			#if __cpp_lib_to_address >= 201711L
-			return std::to_address(_begin);
-			#else
-			return &*_begin; 
-			#endif
+			if constexpr (std::is_pointer_v<Iterator>) {
+				return _begin;
+			} else {
+				#if __cpp_lib_to_address >= 201711L
+				return std::to_address(_begin);
+				#else
+				return &*_begin; 
+				#endif
+			}
 
 			#if __cpp_char8_t >= 201811
 			}

single-header/ctre-unicode.hpp

@@ -3368,11 +3368,15 @@ template <size_t Id, typename Name = void> struct captured_content {
 			} else { // I'm doing this to avoid warning about dead code
 			#endif
 
-			#if __cpp_lib_to_address >= 201711L
-			return std::to_address(_begin);
-			#else
-			return &*_begin; 
-			#endif
+			if constexpr (std::is_pointer_v<Iterator>) {
+				return _begin;
+			} else {
+				#if __cpp_lib_to_address >= 201711L
+				return std::to_address(_begin);
+				#else
+				return &*_begin; 
+				#endif
+			}
 
 			#if __cpp_char8_t >= 201811
 			}

single-header/ctre.hpp

@@ -3365,11 +3365,15 @@ template <size_t Id, typename Name = void> struct captured_content {
 			} else { // I'm doing this to avoid warning about dead code
 			#endif
 
-			#if __cpp_lib_to_address >= 201711L
-			return std::to_address(_begin);
-			#else
-			return &*_begin; 
-			#endif
+			if constexpr (std::is_pointer_v<Iterator>) {
+				return _begin;
+			} else {
+				#if __cpp_lib_to_address >= 201711L
+				return std::to_address(_begin);
+				#else
+				return &*_begin; 
+				#endif
+			}
 
 			#if __cpp_char8_t >= 201811
 			}