perf: preallocate sortStringExprs chunk slice size

jbedard · jbedard · commit 3ba45a79ddf8 · 2026-06-25T14:18:41.000-07:00
diff --git a/build/rewrite.go b/build/rewrite.go
@@ -672,7 +672,7 @@ func sortStringExprs(list []Expr) []Expr {
 			}
 		}
 
-		var chunk []stringSortKey
+		chunk := make([]stringSortKey, 0, j-i)
 		for index, x := range list[i:j] {
 			chunk = append(chunk, makeSortKey(index, x.(*StringExpr)))
 		}

Original file line number	Diff line number	Diff line change
`@@ -672,7 +672,7 @@ func sortStringExprs(list []Expr) []Expr {`
`672`	`672`	`}`
`673`	`673`	`}`
`674`	`674`
`675`		`- var chunk []stringSortKey`
	`675`	`+ chunk := make([]stringSortKey, 0, j-i)`
`676`	`676`	`for index, x := range list[i:j] {`
`677`	`677`	`chunk = append(chunk, makeSortKey(index, x.(*StringExpr)))`
`678`	`678`	`}`