namespace Msp {
/**
-Thrown for errors in lexical conversions
+Thrown for errors in lexical conversions.
*/
class lexical_error: public std::runtime_error
{
};
+/**
+Thrown when the format is unsuitable for the type being converted.
+*/
class format_mismatch: public lexical_error
{
public:
throw lexical_error("conversion failure");
}
-// Helper struct to provide partial template specialization
-
+/**
+Helper struct to provide partial template specialization.
+*/
template<typename T, typename F>
struct LexicalCast;
}
};
-// The main interface to the lexical conversion machinery
-
+/** Perform a lexical conversion between a string and another type. The source
+type can normally be deduced by the compiler, so this can be used just like the
+standard C++ casts. A format may additionally be specified to force a specific
+interpretation. */
template<typename T, typename F>
inline T lexical_cast(const F &v, const Fmt &f = Fmt())
{