remove unused types/func

reverseImplicitRules, byPrefix, bySuffix
reverse

2 files changed, 0 insertions, 32 deletions

diff --git a/dep.go b/dep.go
index 70e9f9b..e5b3b35 100644
--- a/dep.go
+++ b/dep.go
@@ -483,29 +483,6 @@ func (db *depBuilder) populateRules(er *evalResult) error {
 	return nil
 }
 
-func reverseImplicitRules(rules []*rule) {
-	for i := 0; i < len(rules)/2; i++ {
-		j := len(rules) - i - 1
-		rules[i], rules[j] = rules[j], rules[i]
-	}
-}
-
-type byPrefix []*rule
-
-func (p byPrefix) Len() int      { return len(p) }
-func (p byPrefix) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
-func (p byPrefix) Less(i, j int) bool {
-	return p[i].outputPatterns[0].prefix < p[j].outputPatterns[0].prefix
-}
-
-type bySuffix []*rule
-
-func (s bySuffix) Len() int      { return len(s) }
-func (s bySuffix) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
-func (s bySuffix) Less(i, j int) bool {
-	return reverse(s[i].outputPatterns[0].suffix) < reverse(s[j].outputPatterns[0].suffix)
-}
-
 func (db *depBuilder) reportStats() {
 	if !LogFlag && !PeriodicStatsFlag {
 		return
diff --git a/strutil.go b/strutil.go
index f5f1eb4..d59d5c5 100644
--- a/strutil.go
+++ b/strutil.go
@@ -242,15 +242,6 @@ func trimLeadingCurdir(s string) string {
 	return s
 }
 
-func reverse(s string) string {
-	// TODO(ukai): support UTF-8?
-	r := make([]byte, len(s))
-	for i := 0; i < len(s); i++ {
-		r[i] = s[len(s)-1-i]
-	}
-	return string(r)
-}
-
 func contains(list []string, s string) bool {
 	for _, v := range list {
 		if v == s {