futures::when_any_result

Adaptors / when_any_result

^{Defined in header <futures/adaptor/when_any.hpp>}

template <class Sequence> 
struct when_any_result;

Result type for when_any_future objects.

Description

This is defined in a separate file because many other concepts depend on this definition, especially the inferences for unwrapping then continuations, regardless of the when_any algorithm.

Public Types

Member Types	Definition
size_type	Type used to represent the number of futures in the result. (using)
sequence_type	A sequence type with all the futures. (using)

Public Attributes

Member Public Attributes	Description
index	Index of the element whose result was ready first. (public variable)
tasks	The sequence of future objects waited for. (public variable)

Public Types

using size_type

^{Defined in header <futures/adaptor/when_any.hpp>}

using size_type = std::size_t;

Type used to represent the number of futures in the result.

using sequence_type

^{Defined in header <futures/adaptor/when_any.hpp>}

using sequence_type = Sequence;

A sequence type with all the futures.

Description

This sequence might be a range or a tuple.

Public Attributes

variable index

^{Defined in header <futures/adaptor/when_any.hpp>}

size_type index { static_cast<size_type>(-1) };

Index of the element whose result was ready first.

variable tasks

^{Defined in header <futures/adaptor/when_any.hpp>}

sequence_type tasks;

The sequence of future objects waited for.

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_{Updated on 2023-01-04}