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 }