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Function std.array.assocArray

Returns a newly allocated associative array from a range of key/value tuples.

Prototype

auto assocArray(Range)(
  Range r
)
if (isInputRange!Range);

Parameters

NameDescription
r An input range of tuples of keys and values.

Returns

A newly allocated associative array out of elements of the input range, which must be a range of tuples (Key, Value).

See Also

std.typecons.Tuple

Example

import std.range;
import std.typecons;
auto a = assocArray(zip([0, 1, 2], ["a", "b", "c"]));
assert(is(typeof(a) == string[int]));
assert(a == [0:"a", 1:"b", 2:"c"]);

auto b = assocArray([ tuple("foo", "bar"), tuple("baz", "quux") ]);
assert(is(typeof(b) == string[string]));
assert(b == ["foo":"bar", "baz":"quux"]);

Authors

Andrei Alexandrescu and Jonathan M Davis

License

Boost License 1.0.

Comments