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tpl/collections: Require collections.D args to be ints

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Fixes #13952

Co-authored-by: Joe Mooring <joe.mooring@veriphor.com>
This commit is contained in:
Bjørn Erik Pedersen 2025-09-04 11:18:39 +02:00
parent 1d90afff1b
commit b8eb45c9df
1 changed files with 2 additions and 2 deletions
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4
tpl/collections/collections.go
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@ -539,8 +539,8 @@ type dKey struct {
// using J. S. Vitter's Method D for sequential random sampling, from Vitter, J.S.
// - An Efficient Algorithm for Sequential Random Sampling - ACM Trans. Math. Software 11 (1985), 37-57.
// See https://getkerf.wordpress.com/2016/03/30/the-best-algorithm-no-one-knows-about/
func (ns *Namespace) D(seed, n, hi any) []int {
key := dKey{seed: cast.ToUint64(seed), n: cast.ToInt(n), hi: cast.ToInt(hi)}
func (ns *Namespace) D(seed, n, hi int) []int {
key := dKey{seed: cast.ToUint64(seed), n: n, hi: hi}
if key.n <= 0 || key.hi <= 0 || key.n > key.hi {
return nil
}