topN

Stores the smallest elements of the two ranges in the left-hand range.

auto topN(Range r, size_t nth)
auto topN(Range1 r1, Range2 r2)
auto
topN
(
alias less = "a < b"
SwapStrategy ss = SwapStrategy.unstable
Range1
Range2
)
(
Range1 r1
,
Range2 r2
)
if (
isRandomAccessRange!(Range1) &&
hasLength!Range1
&&
isInputRange!Range2
&&
is(ElementType!Range1 == ElementType!Range2)
&&
hasLvalueElements!Range1
&&
hasLvalueElements!Range2
)

Parameters

less: The predicate to sort by.
ss: The swapping strategy to use.
r1 Range1: The first range.
r2 Range2: The second range.

Examples

int[] a = [ 5, 7, 2, 6, 7 ];
int[] b = [ 2, 1, 5, 6, 7, 3, 0 ];
topN(a, b);
sort(a);
assert(a == [0, 1, 2, 2, 3]);

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