Add len shorthand

README.md

@@ -52,6 +52,7 @@ func main() {
 | reverse           |                                                            | `reverse('abc') = 'cba'`     |
 | lpad              | Omit the second argument to default to padding with spaces | `lpad('22', 3, '0') = '022'` |
 | rpad              | Omit the second argument to default to padding with spaces | `rpad('22', 3, '0') = '220'` |
+| len               | Shorthand for `length`                                     | `len('my string') = '9'`     |
 
 ## Aggregation
 

string.go

@@ -110,7 +110,12 @@ func rpad(_s any, length int, _padWith ...any) string {
 	return sb.String()
 }
 
+func length(s string) int64 {
+	return int64(len(s))
+}
+
 var stringFunctions = map[string]any{
+	"len":       stringy1int64(length),
 	"repeat":    repeat,
 	"replicate": repeat,
 	"strpos":    stringy2int64(charindex),

string_test.go

@@ -12,6 +12,10 @@ func Test_string(t *testing.T) {
 	assert.Equal(t, "null", stringy(nil))
 }
 
+func Test_len(t *testing.T) {
+	assertQuery(t, "SELECT len('a')", "1")
+}
+
 func Test_repeat(t *testing.T) {
 	assertQuery(t, "SELECT repeat('a', 3)", "aaa")
 	assertQuery(t, "SELECT replicate('a', 3)", "aaa")