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std.concurrency.yield - multiple declarations

Function yield

If the caller is a Fiber and is not a Generator, this function will call scheduler.yield() or Fiber.yield(), as appropriate.

void yield();

Function yield

Yields a value of type T to the caller of the currently executing generator.

void yield(T) (
  ref T value
);

void yield(T) (
  T value
);

Parameters

NameDescription
value The value to yield.

Example

import std.range;

InputRange!int myIota = iota(10).inputRangeObject;

myIota.popFront();
myIota.popFront();
writeln(myIota.moveFront); // 2
writeln(myIota.front); // 2
myIota.popFront();
writeln(myIota.front); // 3

//can be assigned to std.range.interfaces.InputRange directly
myIota = new Generator!int(
{
    foreach (i; 0 .. 10) yield(i);
});

myIota.popFront();
myIota.popFront();
writeln(myIota.moveFront); // 2
writeln(myIota.front); // 2
myIota.popFront();
writeln(myIota.front); // 3

size_t[2] counter = [0, 0];
foreach (i, unused; myIota) counter[] += [1, i];

assert(myIota.empty);
writeln(counter); // [7, 21]

Authors

Sean Kelly, Alex Rønne Petersen, Martin Nowak

License

Boost License 1.0.