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Original file line number	Diff line number	Diff line change
`@@ -33,11 +33,6 @@ func NewKeepLastN(n int, regex string) (*KeepLastN, error) {`
`33`	`33`	`}`
`34`	`34`
`35`	`35`	`func (k KeepLastN) KeepRule(snaps []Snapshot) (destroyList []Snapshot) {`
`36`		`-`
`37`		`-if k.n > len(snaps) {`
`38`		`-return []Snapshot{}`
`39`		`- }`
`40`		`-`
`41`	`36`	`matching, notMatching := partitionSnapList(snaps, func(snapshot Snapshot) bool {`
`42`	`37`	`return k.re.MatchString(snapshot.Name())`
`43`	`38`	`})`

Original file line number	Diff line number	Diff line change
`@@ -90,7 +90,7 @@ func TestKeepLastN(t *testing.T) {`
`90`	`90`	`stubSnap{"a2", false, o(12)},`
`91`	`91`	`},`
`92`	`92`	`rules: []KeepRule{`
`93`		`-MustKeepLastN(3, "a"),`
	`93`	`+MustKeepLastN(4, "a"),`
`94`	`94`	`},`
`95`	`95`	`expDestroy: map[string]bool{`
`96`	`96`	`"b1": true,`

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