make lexical casts (string -> int/float) faster

1 files changed, 13 insertions, 0 deletions

diff --git a/source/core/StarLexicalCast.cpp b/source/core/StarLexicalCast.cpp
new file mode 100644
index 0000000..1387b2e
--- /dev/null
+++ b/source/core/StarLexicalCast.cpp
@@ -0,0 +1,13 @@
+#include "StarLexicalCast.hpp"
+
+namespace Star {
+
+void throwLexicalCastError(std::errc ec, const char* first, const char* last) {
+  StringView str(first, last - first);
+  if (ec == std::errc::invalid_argument)
+    throw BadLexicalCast(strf("Lexical cast failed on '{}' (invalid argument)", str));
+  else
+    throw BadLexicalCast(strf("Lexical cast failed on '{}'", str));
+}
+
+}
\ No newline at end of file