65 lines
1.2 KiB
Go
65 lines
1.2 KiB
Go
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package objects
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import (
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"github.com/d5/tengo/compiler/token"
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)
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// Bool represents a boolean value.
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type Bool struct {
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// this is intentionally non-public to force using objects.TrueValue and FalseValue always
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value bool
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}
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func (o *Bool) String() string {
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if o.value {
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return "true"
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}
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return "false"
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}
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// TypeName returns the name of the type.
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func (o *Bool) TypeName() string {
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return "bool"
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}
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// BinaryOp returns another object that is the result of
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// a given binary operator and a right-hand side object.
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func (o *Bool) BinaryOp(op token.Token, rhs Object) (Object, error) {
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return nil, ErrInvalidOperator
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}
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// Copy returns a copy of the type.
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func (o *Bool) Copy() Object {
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return o
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}
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// IsFalsy returns true if the value of the type is falsy.
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func (o *Bool) IsFalsy() bool {
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return !o.value
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}
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// Equals returns true if the value of the type
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// is equal to the value of another object.
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func (o *Bool) Equals(x Object) bool {
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return o == x
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}
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// GobDecode decodes bool value from input bytes.
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func (o *Bool) GobDecode(b []byte) (err error) {
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o.value = b[0] == 1
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return
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}
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// GobEncode encodes bool values into bytes.
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func (o *Bool) GobEncode() (b []byte, err error) {
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if o.value {
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b = []byte{1}
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} else {
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b = []byte{0}
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}
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return
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}
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