remove unnecessary type conversions

lib/byte_gen_test.go

@@ -16,7 +16,7 @@ func TestByteGenerator(t *testing.T) {
 	{
 		err := g.Generate(s)
 		is.NotErr(err)
-		password := string(s.Output())
+		password := s.Output()
 		is.Equal(2, len(password))
 		is.Equal(password, strings.ToLower(password))
 	}
@@ -35,7 +35,7 @@ func TestByteGenerator2(t *testing.T) {
 	{
 		err := g.Generate(s)
 		is.NotErr(err)
-		password := string(s.Output())
+		password := s.Output()
 		is.Equal(2, len(password))
 		is.Equal(password, strings.ToUpper(password))
 	}

lib/date_test.go

@@ -15,7 +15,7 @@ func TestDateGenerator(t *testing.T) {
 	{
 		err := g.Generate(s)
 		is.NotErr(err)
-		is.Equal(10, len(string(s.Output())))
+		is.Equal(10, len(s.Output()))
 	}
 	{
 		entropy, err := g.Entropy(s)

lib/functions.go

@@ -173,7 +173,7 @@ func (g *encoderFunctionCallGenerator) Generate(s *State) error {
 	}
 	err := baseFunctionCallGenerator(
 		s,
-		NewState(s.SharedState, []rune(g.argPattern)),
+		NewState(s.SharedState, g.argPattern),
 		funcObj,
 	)
 	if err != nil {

lib/jp_romaji.go

@@ -45,9 +45,9 @@ func InitRomaji() {
 	tables := []string{HiraganaTable, KatakanaTable}
 	for _, table := range tables {
 		rows := strings.Split(table, "\n")
-		colNames := strings.Split(string(rows[0]), "\t")[1:]
+		colNames := strings.Split(rows[0], "\t")[1:]
 		for _, row := range rows[1:] {
-			cols := strings.Split(string(row), "\t")
+			cols := strings.Split(row, "\t")
 			rowName := cols[0]
 			for i, kana := range cols[1:] {
 				value := rowName + colNames[i]

lib/justify.go

@@ -35,7 +35,7 @@ func center(in []rune, width int, fillChar rune) []rune {
 		return in
 	}
 	out := make([]rune, width)
-	fcc := int((width - len(in)) / 2)
+	fcc := (width - len(in)) / 2
 	for i := range fcc {
 		out[i] = fillChar
 	}
@@ -88,7 +88,7 @@ func parseJustifyArgs(s *State, argsStr []rune, funcName string) (*JustifyArgs,
 		s.errorOffset += int64(len(argsStr) + 1)
 		return nil, s.errorArg("%s: at least 2 arguments are required", funcName)
 	}
-	pattern := []rune(args[0])
+	pattern := args[0]
 	width, err := strconv.Atoi(strings.TrimSpace(string(args[1])))
 	if err != nil {
 		s.errorOffset += int64(len(args[0]) + len(args[1]) + 1)
@@ -102,7 +102,7 @@ func parseJustifyArgs(s *State, argsStr []rune, funcName string) (*JustifyArgs,
 	}
 	fillChar := ' '
 	if len(args) > 2 {
-		fillCharA := []rune(args[2])
+		fillCharA := args[2]
 		if len(fillCharA) != 1 {
 			s.errorOffset += int64(len(args[0]) + len(args[1]) + len(args[2]) + 2)
 			s.errorMarkLen = len(args[2])

lib/static_test.go

@@ -15,7 +15,7 @@ func TestStaticStringGenerator(t *testing.T) {
 	{
 		err := g.Generate(s)
 		is.NotErr(err)
-		is.Equal(pattern, string(s.Output()))
+		is.Equal(pattern, s.Output())
 	}
 	{
 		entropy, err := g.Entropy(s)

lib/utils_test.go

@@ -41,7 +41,7 @@ func Benchmark_removeDuplicateRunes(b *testing.B) {
 	for i := range count {
 		list := make([]rune, listLength)
 		for j := 0; j < listLength; j++ {
-			list[j] = rune(math_rand.Int32N(256))
+			list[j] = math_rand.Int32N(256)
 		}
 		lists[i] = list
 	}
@@ -64,7 +64,7 @@ func Benchmark_excludeCharsASCII(b *testing.B) {
 	for i := range count {
 		list := make([]rune, listLength)
 		for j := 0; j < listLength; j++ {
-			list[j] = rune(math_rand.Int32N(256))
+			list[j] = math_rand.Int32N(256)
 		}
 		lists[i] = list
 	}

main.go

@@ -21,7 +21,7 @@ func printError(err error, pattern string) {
 		fmt.Println(err)
 		return
 	}
-	fmt.Println(string(pattern))
+	fmt.Println(pattern)
 	fmt.Println(myErr.SpacedError())
 }