Method IsTrue

value.go:217–235

IsTrue tries to evaluate the underlying value the Pythonic-way: Returns TRUE in one the following cases: * int != 0 * uint != 0 * float != 0.0 * len(array/chan/map/slice/string) > 0 * bool == true * underlying value is a struct Otherwise returns always FALSE.

()

//
// Otherwise returns always FALSE.
func (v *Value) IsTrue() bool {
	switch v.getResolvedValue().Kind() {
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		return v.getResolvedValue().Int() != 0
	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
		return v.getResolvedValue().Uint() != 0
	case reflect.Float32, reflect.Float64:
		return v.getResolvedValue().Float() != 0
	case reflect.Array, reflect.Chan, reflect.Map, reflect.Slice, reflect.String:
		return v.getResolvedValue().Len() > 0
	case reflect.Bool:
		return v.getResolvedValue().Bool()
	case reflect.Struct:
		return true // struct instance is always true
	default:
		logf("Value.IsTrue() not available for type: %s\n", v.getResolvedValue().Kind().String())
		return false
	}
}

// Negate tries to negate the underlying value. It's mainly used for
// the NOT-operator and in conjunction with a call to