Treat k==0 less special (2)

phimuemue · ronnodas · commit 8ae44e06efc8 · 2025-01-09T18:07:38.000+01:00
diff --git a/src/permutations.rs b/src/permutations.rs
@@ -69,16 +69,15 @@ where
             &mut PermutationState::Start { k } => {
                 if k == 0 {
                     *state = PermutationState::End;
-                    Some(Vec::new())
                 } else {
                     vals.prefill(k);
                     if vals.len() != k {
                         *state = PermutationState::End;
                         return None;
                     }
                     *state = PermutationState::Buffered { k, min_n: k };
-                    Some(vals[0..k].to_vec())
                 }
+                Some(vals[0..k].to_vec())
             }
             PermutationState::Buffered { ref k, min_n } => {
                 if vals.get_next() {

Original file line number	Diff line number	Diff line change
`@@ -69,16 +69,15 @@ where`
`69`	`69`	`&mut PermutationState::Start { k } => {`
`70`	`70`	`if k == 0 {`
`71`	`71`	`*state = PermutationState::End;`
`72`		`- Some(Vec::new())`
`73`	`72`	`} else {`
`74`	`73`	`vals.prefill(k);`
`75`	`74`	`if vals.len() != k {`
`76`	`75`	`*state = PermutationState::End;`
`77`	`76`	`return None;`
`78`	`77`	`}`
`79`	`78`	`*state = PermutationState::Buffered { k, min_n: k };`
`80`		`- Some(vals[0..k].to_vec())`
`81`	`79`	`}`
	`80`	`+ Some(vals[0..k].to_vec())`
`82`	`81`	`}`
`83`	`82`	`PermutationState::Buffered { ref k, min_n } => {`
`84`	`83`	`if vals.get_next() {`