Horizon
|
Public Member Functions | |
template (typename Rng)(AND input_range< Rng > AND const ructible_from< range_value_t< Rng > | |
Caches the most recent element within the view so that dereferencing the view's iterator multiple times doesn't incur any recomputation. | |
range_reference_t< Rng > constexpr cache1_view< all_t< Rng > > | operator() (Rng &&rng) const |
ranges::views::cache1_fn::template | ( | typename Rng | ) | const |
Caches the most recent element within the view so that dereferencing the view's iterator multiple times doesn't incur any recomputation.
This can be useful in adaptor pipelines that include combinations of view::filter
and view::transform
, for instance.
views::cache1
is always single-pass.