shithub: mc

ref: 09a34baac6757c7a4c33e3e3c50054acbb1b70bb
dir: /lib/std/slpush.myr/

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use "types"
use "alloc"

pkg std =
	generic slpush	: (sl : @a[:]#, elt : @a -> @a[:])
;;

generic slpush = {sl, elt
	/*
	slpush relies on implementation details
	of slgrow for efficiency. Because bucket
	sizes come in powers of two for all buckets
	<= 32k, and we only reallocate when we hit
	a bucket boundary, this is effectively
	growing the slice by powers of two.
	*/
	slgrow(sl, sl#.len + 1)
	sl#[sl#.len - 1] = elt
	-> sl#
}