Remove useless interface{}

Author: antham

shell/bash.go

@@ -21,11 +21,11 @@ func newBashParser() *bashParser {
 	return bashParser
 }
 
-func (bashParser *bashParser) parse(content []byte) (interface{}, error) {
+func (bashParser *bashParser) parse(content []byte) ([]Function, error) {
 	return bashParser.analyzer(bashParser.tokenizer.ParseBytes(content))
 }
 
-func (bashParser *bashParser) analyzer(stream *tokenizer.Stream) (interface{}, error) {
+func (bashParser *bashParser) analyzer(stream *tokenizer.Stream) ([]Function, error) {
 	functions := []Function{}
 	comments := map[int][]*tokenizer.Token{}
 	for {

shell/bash_test.go

@@ -34,7 +34,7 @@ another_little_func () {}
 
 function_test () {}
 `))
-	functions := data.([]Function)
+	functions := data
 	assert.NoError(t, err)
 	assert.Len(t, functions, 7)
 	assert.Equal(t, []Function{

shell/fish.go

@@ -11,7 +11,7 @@ func newFishParser() *fishParser {
 	return &fishParser{}
 }
 
-func (fishParser *fishParser) parse(content []byte) (interface{}, error) {
+func (fishParser *fishParser) parse(content []byte) ([]Function, error) {
 	fs := []Function{}
 	r := regexp.MustCompile(`function\s+(?P<function>[^ |;|\n]+)(?:\s+--?d(?:escription)?\s+(?:"|')(?P<definition>[^(?:'|")]+)(?:"|'))?`).FindAllStringSubmatch(string(content), -1)
 	for _, l := range r {

shell/fish_test.go

@@ -27,7 +27,7 @@ function f5 -d "f5 description comment";echo e; end
 
 function f6;echo e; end
 `))
-	functions := data.([]Function)
+	functions := data
 	assert.NoError(t, err)
 	assert.Len(t, functions, 6)
 	assert.Equal(t, []Function{

shell/parser.go

@@ -33,7 +33,7 @@ type Function struct {
 }
 
 func Parse(shell string, content []byte) ([]Function, error) {
-	var data interface{}
+	var data []Function
 	var err error
 	switch shell {
 	case string(zsh):
@@ -56,7 +56,7 @@ func Parse(shell string, content []byte) ([]Function, error) {
 		}
 	}
 	fs := []Function{}
-	for _, f := range data.([]Function) {
+	for _, f := range data {
 		f.Description = strings.ReplaceAll(f.Description, "function ", "function")
 		fs = append(fs, f)
 	}

shell/zsh.go

@@ -21,11 +21,11 @@ func newZshParser() *zshParser {
 	return zshParser
 }
 
-func (zshParser *zshParser) parse(content []byte) (interface{}, error) {
+func (zshParser *zshParser) parse(content []byte) ([]Function, error) {
 	return zshParser.analyzer(zshParser.tokenizer.ParseBytes(content))
 }
 
-func (zshParser *zshParser) analyzer(stream *tokenizer.Stream) (interface{}, error) {
+func (zshParser *zshParser) analyzer(stream *tokenizer.Stream) ([]Function, error) {
 	functions := []Function{}
 	comments := map[int][]*tokenizer.Token{}
 	for {

shell/zsh_test.go

@@ -38,7 +38,7 @@ another_little_func () {}
 
 function_test () {}
 `))
-	functions := data.([]Function)
+	functions := data
 	assert.NoError(t, err)
 	assert.Len(t, functions, 9)
 	assert.Equal(t, []Function{