Merge pull request #2 from haya14busa/improve-ci

CI: introduce unused

Author: haya14busa

.travis.yml

@@ -8,9 +8,11 @@ install:
   - go get -d -v -t ./...
   - go get github.com/mattn/goveralls
   - go get github.com/golang/lint/golint
+  - go get honnef.co/go/unused/cmd/unused
 
 script:
   - go test -v -race ./...
   - goveralls -service=travis-ci
   - go vet ./...
   - golint -set_exit_status .
+  - unused ./...

go/vimlfunc.go

@@ -76,14 +76,6 @@ func init() {
 
 type vimlList interface{}
 
-func viml_call(f string, args ...interface{}) interface{} {
-	panic("NotImplemented viml_call")
-}
-
-func viml_char2nr(c string) int {
-	panic("NotImplemented viml_char2nr")
-}
-
 func viml_empty(obj interface{}) bool {
 	return viml_len(obj) == 0
 }
@@ -124,10 +116,6 @@ func viml_escape(s string, chars string) string {
 	return r
 }
 
-func viml_extend(obj, item interface{}) interface{} {
-	panic("NotImplemented viml_extend")
-}
-
 func viml_join(lst vimlList, sep string) string {
 	var ss []string
 	s := reflect.ValueOf(lst)
@@ -137,10 +125,6 @@ func viml_join(lst vimlList, sep string) string {
 	return strings.Join(ss, sep)
 }
 
-func viml_keys(obj map[string]interface{}) []string {
-	panic("NotImplemented viml_keys")
-}
-
 func viml_len(obj interface{}) int {
 	return reflect.ValueOf(obj).Len()
 }
@@ -157,10 +141,6 @@ func viml_range(start, end int) []int {
 	return rs
 }
 
-func viml_readfile(path string) []string {
-	panic("NotImplemented viml_readfile")
-}
-
 func viml_split(s string, sep string) []string {
 	if sep == `\zs` {
 		var ss []string
@@ -193,11 +173,3 @@ func viml_has_key(obj interface{}, key interface{}) bool {
 func viml_stridx(a, b string) int {
 	return strings.Index(a, b)
 }
-
-func viml_type(obj interface{}) int {
-	panic("NotImplemented viml_type")
-}
-
-func viml_ternary(cond bool, a interface{}, b interface{}) interface{} {
-	panic("NotImplemented viml_ternary")
-}

go/vimlfunc_test.go

@@ -5,10 +5,6 @@ import (
 	"testing"
 )
 
-var vimArgs = []string{"-Nu", "NONE", "-i", "NONE", "-n"}
-
-type testHandler struct{}
-
 func TestViml_len(t *testing.T) {
 	tests := []struct {
 		in   interface{}