Range-v3
Range algorithms, views, and actions for the Standard Library
ranges::view::cpp20_filter_fn Struct Reference

Description

Given a source range and a unary predicate, present a view of the elements that satisfy the predicate.

+ Inheritance diagram for ranges::view::cpp20_filter_fn:

Public Member Functions

template<typename Rng , typename Pred >
constexpr auto operator() (Rng &&rng, Pred pred) const -> filter_view< all_t< Rng >, Pred > requires ViewableRange< Rng > &&InputRange< Rng > &&IndirectUnaryPredicate< Pred, iterator_t< Rng >>