Optimize a slice initialization

thombashi · thombashi · commit caa511fd8bb3 · 2022-05-16T10:04:06.000+09:00
diff --git a/hooks/jsonnet-lint-hook/main.go b/hooks/jsonnet-lint-hook/main.go
@@ -28,9 +28,9 @@ func (e *LintError) Error() string {
 }
 
 func execJsonnetLint(f string, opts []string) error {
-	var args []string
 	var stderr bytes.Buffer
 
+	args := make([]string, 0, len(opts)+2)
 	args = append(args, opts...)
 	args = append(args, "--")
 	args = append(args, f)

Original file line number	Diff line number	Diff line change
`@@ -28,9 +28,9 @@ func (e *LintError) Error() string {`
`28`	`28`	`}`
`29`	`29`
`30`	`30`	`func execJsonnetLint(f string, opts []string) error {`
`31`		`- var args []string`
`32`	`31`	`var stderr bytes.Buffer`
`33`	`32`
	`33`	`+ args := make([]string, 0, len(opts)+2)`
`34`	`34`	`args = append(args, opts...)`
`35`	`35`	`args = append(args, "--")`
`36`	`36`	`args = append(args, f)`