topNCopy

Copies the top n elements of the input range source into the random-access range target, where n = target.length.

Elements of source are not touched. If sorted is true, the target is sorted. Otherwise, the target respects the heap property.

TRange

topNCopy

(

alias less = "a < b"

SRange

TRange

)

(

SRange source

TRange target

SortOutput sorted = No.sortOutput

)

if (

isInputRange!(SRange) &&

)

Parameters

Type: TRange

The slice of target containing the copied elements.

import std.typecons : Yes;

int[] a = [ 10, 16, 2, 3, 1, 5, 0 ];
int[] b = new int[3];
topNCopy(a, b, Yes.sortOutput);
assert(b == [ 0, 1, 2 ]);