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expose detail::throw_format_error (#3551)

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This enables to only #include <fmt/core.h> when defining formatters.
This commit is contained in:
Martin Jeřábek
2023-07-26 22:21:38 +02:00
committed by GitHub
parent 4f46cb82f3
commit 503d49286d
2 changed files with 5 additions and 2 deletions
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4
doc/api.rst
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@@ -124,7 +124,7 @@ parsing and formatting. To use this method specialize the ``formatter`` struct
template for your type and implement ``parse`` and ``format`` methods. template for your type and implement ``parse`` and ``format`` methods.
For example:: For example::
#include <fmt/format.h> #include <fmt/core.h>
struct point { struct point {
double x, y; double x, y;
@@ -156,7 +156,7 @@ For example::
if (it != end && (*it == 'f' || *it == 'e')) presentation = *it++; if (it != end && (*it == 'f' || *it == 'e')) presentation = *it++;
// Check if reached the end of the range: // Check if reached the end of the range:
if (it != end && *it != '}') throw format_error("invalid format"); if (it != end && *it != '}') throw_format_error("invalid format");
// Return an iterator past the end of the parsed range: // Return an iterator past the end of the parsed range:
return it; return it;

3
include/fmt/core.h
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@@ -638,6 +638,9 @@ struct error_handler {
}; };
} // namespace detail } // namespace detail
/** Helper function to throw an error from a custom formatter. */
using detail::throw_format_error;
/** String's character type. */ /** String's character type. */
template <typename S> using char_t = typename detail::char_t_impl<S>::type; template <typename S> using char_t = typename detail::char_t_impl<S>::type;