eval

package
v0.0.0-...-3085ebc Latest Latest
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Published: Nov 10, 2022 License: MIT Imports: 3 Imported by: 0

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Constants

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const (
	NUMBER_OBJ  = "NUMBER"
	NIL_OBJ     = "NIL_OBJ"
	BOOLEAN_OBJ = "BOOLEAN"
)

Variables

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var (
	TRUE  = &Boolean{Bool: true}
	FALSE = &Boolean{Bool: false}
	NIL   = &Nil{}
)

Functions

This section is empty.

Types

type Boolean

type Boolean struct {
	Bool bool
}

func NewBooleanObj

func NewBooleanObj(b bool) *Boolean

func (*Boolean) Inspect

func (b *Boolean) Inspect() string

func (*Boolean) Type

func (b *Boolean) Type() ObjectType

type Nil

type Nil struct {
}

func NewNil

func NewNil(s string) *Nil

func (*Nil) Inspect

func (n *Nil) Inspect() string

func (*Nil) Type

func (n *Nil) Type() ObjectType

type Number

type Number struct {
	Value float64
}

func NewNumber

func NewNumber(f float64) *Number

func (*Number) Inspect

func (n *Number) Inspect() string

func (*Number) Type

func (n *Number) Type() ObjectType

type Object

type Object interface {
	Type() ObjectType
	Inspect() string
}

func Eval

func Eval(node ast.Node) (val Object)

type ObjectType

type ObjectType string

object

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