Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is an older version of Boost and was released in 2016. The current version is 1.89.0.

Function is_classified

Function is_classified

boost::algorithm::is_classified — is_classified predicate

Synopsis

// In header: <boost/algorithm/string/classification.hpp>


unspecified is_classified(std::ctype_base::mask Type, 
                          const std::locale & Loc = std::locale());

Description

Construct the is_classified predicate. This predicate holds if the input is of specified std::ctype category.

Parameters:

`Loc`	A locale used for classification
`Type`	A `std::ctype` category

Returns:

An instance of the is_classified predicate