cmd/go/internal/modload: avoid calling strings.HasPrefix twice in *MainModuleSet...

[gostls13.git] / src / cmd / go / internal / modload / load.go

diff --git a/src/cmd/go/internal/modload/load.go b/src/cmd/go/internal/modload/load.go
index 9b4cb19ebfdc55b1ba3f2a2f06362877d937abc8..51eb141d4b38b827d1233c33b26619d51d15181f 100644 (file)
--- a/src/cmd/go/internal/modload/load.go
+++ b/src/cmd/go/internal/modload/load.go
@@ -777,7 +777,7 @@ func (mms *MainModuleSet) DirImportPath(ctx context.Context, dir string) (path s
                                longestPrefixVersion = v
                                suffix := filepath.ToSlash(str.TrimFilePathPrefix(dir, modRoot))
                                if strings.HasPrefix(suffix, "vendor/") {
-                                       longestPrefixPath = strings.TrimPrefix(suffix, "vendor/")
+                                       longestPrefixPath = suffix[len("vendor/"):]
                                        continue
                                }
                                longestPrefixPath = pathpkg.Join(mms.PathPrefix(v), suffix)