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x/tools/go/buildutil: remove unused function 

Found with honnef.co/go/tools/cmd/unused.

Change-Id: I1dc8e4dbfd784bb22b2f0dabb7c1a08cf1ef44ee
Reviewed-on: https://go-review.googlesource.com/37603
Reviewed-by: Alan Donovan <adonovan@google.com>
This commit is contained in:
David R. Jenni 2017-03-01 12:46:37 +01:00 committed by Alan Donovan
parent fd9cb7c10f
commit 76c38d6bce
1 changed files with 0 additions and 9 deletions
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9
go/buildutil/util.go
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@ -15,7 +15,6 @@ import (
"os" "os"
"path" "path"
"path/filepath" "path/filepath"
"runtime"
"strings" "strings"
) )
@ -79,14 +78,6 @@ func ContainingPackage(ctxt *build.Context, dir, filename string) (*build.Packag
return nil, fmt.Errorf("can't find package containing %s", filename) return nil, fmt.Errorf("can't find package containing %s", filename)
} }
// dirHasPrefix tests whether the directory dir begins with prefix.
func dirHasPrefix(dir, prefix string) bool {
if runtime.GOOS != "windows" {
return strings.HasPrefix(dir, prefix)
}
return len(dir) >= len(prefix) && strings.EqualFold(dir[:len(prefix)], prefix)
}
// -- Effective methods of file system interface ------------------------- // -- Effective methods of file system interface -------------------------
// (go/build.Context defines these as methods, but does not export them.) // (go/build.Context defines these as methods, but does not export them.)