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API Documentation

version 2.090.0

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Function object.byKey

Returns a forward range over the keys of the associative array.

auto auto byKey(T, K, V) (
  T aa
) pure nothrow @nogc @safe;

Parameters

NameDescription
aa The associative array.

Returns

A forward range.

Example

auto dict = [1: 0, 2: 0];
int sum;
foreach (v; dict.byKey)
    sum += v;

writeln(sum); // 3

Authors

Walter Bright, Sean Kelly

License

Boost License 1.0.