Method Len

value.go:270–281

Len returns the length for an array, chan, map, slice or string. Otherwise it will return 0.

()

// Len returns the length for an array, chan, map, slice or string.
// Otherwise it will return 0.
func (v *Value) Len() int {
	switch v.getResolvedValue().Kind() {
	case reflect.Array, reflect.Chan, reflect.Map, reflect.Slice:
		return v.getResolvedValue().Len()
	case reflect.String:
		runes := []rune(v.getResolvedValue().String())
		return len(runes)
	default:
		logf("Value.Len() not available for type: %s\n", v.getResolvedValue().Kind().String())
		return 0
	}
}

// Slice slices an array, slice or string. Otherwise it will
// return an empty []int.