Pluck

Extract the elements of an AliasPack at given positions.

The function takes two parameters - the first is the AliasPack to extract from, the second is an AliasPack of positions.

template Pluck (

alias Pack

size_t[] Positions

) if (

from.std.traits.isInstanceOf!(AliasPack, Pack)

) {

alias Pluck = AliasPack!();

alias Pluck = AliasPack!(Pack.Unpack[Positions[0]], Pluck!(Pack, Positions[1..$]).Unpack);

}

Members

Aliases

Pluck alias Pluck = AliasPack!(): Undocumented in source.
Pluck alias Pluck = AliasPack!(Pack.Unpack[Positions[0]], Pluck!(Pack, Positions[1..$]).Unpack): Undocumented in source.

Examples

static assert(Pluck!(AliasPack!(), []).equals!());
static assert(Pluck!(AliasPack!(int, char, float), []).equals!());
static assert(Pluck!(AliasPack!(int, char, float), [0, 2]).equals!(int, float));

Pluck

Members

Aliases

Examples

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