Given a source range, unary predicate, and optional projection, present a view of the elements that satisfy the predicate.
Public Member Functions | |
template<typename Rng , typename Pred , typename Proj > | |
constexpr auto | operator() (Rng &&rng, Pred pred, Proj proj) const -> filter_view< all_t< Rng >, composed< Pred, Proj >> requires viewable_range< Rng > &&input_range< Rng > &&indirect_unary_predicate< Pred, projected< iterator_t< Rng >, Proj >> |
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template<typename Rng , typename Pred > | |
constexpr auto | operator() (Rng &&rng, Pred pred) const -> filter_view< all_t< Rng >, Pred > requires viewable_range< Rng > &&input_range< Rng > &&indirect_unary_predicate< Pred, iterator_t< Rng >> |