simplify cases of strings.Index with strings.Contains

diff --git a/tools/semver/range.go b/tools/semver/range.go
index fca406d47939a1b00c4b1c935ec2c8d358d99240..95f7139b97705153afdd774ff24dde53380a63e9 100644 (file)
--- a/tools/semver/range.go
+++ b/tools/semver/range.go
@@ -327,7 +327,7 @@ func expandWildcardVersion(parts [][]string) ([][]string, error) {
        for _, p := range parts {
                var newParts []string
                for _, ap := range p {
-                       if strings.Index(ap, "x") != -1 {
+                       if strings.Contains(ap, "x") {
                                opStr, vStr, err := splitComparatorVersion(ap)
                                if err != nil {
                                        return nil, err