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Diffstat (limited to 'Build/source/utils/asymptote/lexical.h')
-rw-r--r-- | Build/source/utils/asymptote/lexical.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Build/source/utils/asymptote/lexical.h b/Build/source/utils/asymptote/lexical.h new file mode 100644 index 00000000000..fc3879961d6 --- /dev/null +++ b/Build/source/utils/asymptote/lexical.h @@ -0,0 +1,23 @@ +#ifndef __lexical_h__ +#define __lexical_h__ 1 + +#include <sstream> + +#include "common.h" + +namespace lexical { + +class bad_cast {}; + +template <typename T> +T cast(const string& s, bool tolerant=false) +{ + istringstream is(s); + T value; + if(is && is >> value && ((is >> std::ws).eof() || tolerant)) return value; + throw bad_cast(); +} + +} + +#endif |