noexceptify expected

eliaskosunen · May 23, 2024 · 87f37a1 · 87f37a1
1 parent 1b567b6
commit 87f37a1
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Showing 2 changed files with 388 additions and 260 deletions.
diff --git a/include/scn/fwd.h b/include/scn/fwd.h
@@ -596,6 +596,14 @@ SCN_GCC_POP
 #define SCN_HAS_TRIVIAL_ABI 0
 #endif
 
+// Detect explicit(bool)
+#if defined(__cpp_conditional_explicit) && \
+    __cpp_conditional_explicit >= 201806L && SCN_STD >= SCN_STD_20
+#define SCN_HAS_CONDITIONAL_EXPLICIT 1
+#else
+#define SCN_HAS_CONDITIONAL_EXPLICIT 0
+#endif
+
 // Detect <charconv>
 
 #if SCN_STD >= SCN_STD_17
@@ -830,6 +838,13 @@ SCN_GCC_POP
 #define SCN_TRIVIAL_ABI /*trivial_abi*/
 #endif
 
+// SCN_IMPLICIT
+#if SCN_HAS_CONDITIONAL_EXPLICIT
+#define SCN_IMPLICIT explicit(false)
+#else
+#define SCN_IMPLICIT /*implicit*/
+#endif
+
 // SCN_LIKELY & SCN_UNLIKELY
 #if SCN_HAS_BUILTIN_EXPECT
 #define SCN_LIKELY(x)   __builtin_expect(!!(x), 1)