62 lines
1.0 KiB
Go
62 lines
1.0 KiB
Go
package object
|
|
|
|
import (
|
|
"fmt"
|
|
)
|
|
|
|
type Boolean struct {
|
|
Value bool
|
|
}
|
|
|
|
func (b Boolean) Bool() bool {
|
|
return b.Value
|
|
}
|
|
|
|
func (b Boolean) Type() Type {
|
|
return BooleanType
|
|
}
|
|
|
|
func (b Boolean) Inspect() string {
|
|
return fmt.Sprintf("%t", b.Value)
|
|
}
|
|
|
|
func (b Boolean) Clone() Object {
|
|
return Boolean{Value: b.Value}
|
|
}
|
|
|
|
func (b Boolean) String() string {
|
|
return b.Inspect()
|
|
}
|
|
|
|
func (b Boolean) Int() int {
|
|
if b.Value {
|
|
return 1
|
|
}
|
|
return 0
|
|
}
|
|
|
|
func (b Boolean) LogicalAnd(other Object) (Object, error) {
|
|
if !AssertTypes(other, BooleanType, IntegerType) {
|
|
return nil, NewBinaryOpError(b, other, "&&")
|
|
}
|
|
return Boolean{b.Value && other.Bool()}, nil
|
|
}
|
|
|
|
func (b Boolean) LogicalOr(other Object) (Object, error) {
|
|
if !AssertTypes(other, BooleanType, IntegerType) {
|
|
return nil, NewBinaryOpError(b, other, "||")
|
|
}
|
|
return Boolean{b.Value || other.Bool()}, nil
|
|
}
|
|
|
|
func (b Boolean) LogicalNot() Object {
|
|
return Boolean{!b.Value}
|
|
}
|
|
|
|
func (b Boolean) Compare(other Object) int {
|
|
if obj, ok := other.(Boolean); ok {
|
|
return b.Int() - obj.Int()
|
|
}
|
|
return 1
|
|
}
|