优化any转string

to_string_test.go

@@ -6,6 +6,12 @@ import (
 	"code.yun.ink/pkg/convx"
 )
 
+type TestStr string
+
+const (
+	TestStrOne TestStr = "1"
+)
+
 func TestToString(t *testing.T) {
 
 	var tests = []struct {
@@ -26,13 +32,11 @@ func TestToString(t *testing.T) {
 		{uint16(1), "1"},      //uint16
 		{uint32(1), "1"},      //uint32
 		{uint64(1), "1"},      //uint64
+		{TestStrOne, "1"},     //custom type
 	}
 
 	for _, test := range tests {
-	    str, err := convx.ToString(test.input)
-	    if err != nil {
-	        t.Errorf("convx.ToString(%v) failed with %v", test.input, err)
-	    }
+	    str := convx.ToString(test.input)
 	    if str != test.expect {
 	        t.Errorf("convx.ToString(%v) = %v, want %v", test.input, str, test.expect)
 	    }