func (self *Remainder) Call(args ...value.Value) value.Value {
if len(args) != 2 {
panic(fmt.Errorf("remainder: arity mismatch, expected 2, given %s\n", len(args)))
}
var n1, n2 int64
if arg1, ok := args[0].(*value.Int); !ok {
panic(fmt.Errorf("remainder: contract violation, expected: integer?"))
} else {
n1 = arg1.Value
}
if arg2, ok := args[1].(*value.Int); !ok {
panic(fmt.Errorf("remainder: contract violation, expected: integer?"))
} else {
n2 = arg2.Value
}
return value.NewInt(n1 % n2)
}
func (self *Mul) Call(args ...value.Value) value.Value {
var result float64 = 1
isfloat := false
for _, item := range args {
switch operand := item.(type) {
case *value.Int:
result *= float64(operand.Value)
case *value.Float:
isfloat = true
result *= operand.Value
default:
panic(fmt.Errorf("%v: unexpected number", self.String()))
}
}
if isfloat {
return value.NewFloat(result)
}
return value.NewInt(int64(result))
}
func (self *Int) Eval(env *scope.Scope) value.Value {
return value.NewInt(self.value)
}