popFrontExactly

Removes exactly count first elements from the input range range.

R must have length or be infinite.

void
popFrontExactly
(
R
)
(
ref R range
,
size_t count
)

Parameters

R

Range type.

range R

Some input range.

count size_t

Number of elements to remove.

Examples

int[5] a = [1, 2, 3, 4, 5];
auto slice = a[];

popFrontExactly(slice, 3);
assert(slice.length == 2);
assert(slice[0] == 4);
assert(slice[$ - 1] == 5);

popFrontExactly(slice, 2);
assert(slice.length == 0);

See Also

$(D_PSYMBOL popBackExactly), $(D_PSYMBOL popFrontN), $(D_PSYMBOL isInputRange), $(D_PSYMBOL hasLength), $(D_PSYMBOL isInfinite).

Precondition: If R has length, it must be less than or equal to count.

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