Fix MSVC deprecation warning for user-defined literals

Remove the space between "" and the suffix in user-defined literal
operators (e.g. operator ""_a instead of operator "" _a) to avoid
MSVC deprecation warning C5311.

1 files changed, 2 insertions, 2 deletions

diff --git a/include/internal/catch_approx.cpp b/include/internal/catch_approx.cpp
index 32b5e043..7de3427c 100644
--- a/include/internal/catch_approx.cpp
+++ b/include/internal/catch_approx.cpp
@@ -73,10 +73,10 @@ namespace Detail {
 } // end namespace Detail
 
 namespace literals {
-    Detail::Approx operator "" _a(long double val) {
+    Detail::Approx operator ""_a(long double val) {
         return Detail::Approx(val);
     }
-    Detail::Approx operator "" _a(unsigned long long val) {
+    Detail::Approx operator ""_a(unsigned long long val) {
         return Detail::Approx(val);
     }
 } // end namespace literals