boost::urls::grammar::is_charset
Alias for std::true_type if T satisfies
CharSet
.
Synopsis
Declared in <boost/url/grammar/charset.hpp>
template<class T>
using is_charset = _see-below_;
Description
This metafunction determines if the
type T meets these requirements of
CharSet
:
-
An instance of
Tis invocable with this equivalent function signature:
bool T::operator()( char ) const noexcept;
Template Parameters
| Name | Description |
|---|---|
T |
the type to check. |
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