25 Ranges library [ranges]

25.5 Range utilities [range.utility]

25.5.7 Range conversions [range.utility.conv]

25.5.7.3 ranges​::​to adaptors [range.utility.conv.adaptors]

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template<class C, class... Args> requires (!view<C>) constexpr auto to(Args&&... args); template<template<class...> class C, class... Args> constexpr auto to(Args&&... args);
1
#
Mandates: For the first overload, C is a cv-unqualified class type.
2
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Returns: A range adaptor closure object ([range.adaptor.object]) f that is a perfect forwarding call wrapper ([func.require]) with the following properties:
  • (2.1)
    It has no target object.
  • (2.2)
    Its bound argument entities bound_args consist of objects of types decay_t<Args>... direct-non-list-initialized with std​::​forward<Args>(args)..., respectively.
  • (2.3)
    Its call pattern is to<C>(r, bound_args...), where r is the argument used in a function call expression of f.