package object import "fmt" type ObjectType string const ( INTEGER_OBJECT = "INTEGER" BOOLEAN_OBJECT = "BOOLEAN" NULL_OBJECT = "NULL" ) type Object interface { Type() ObjectType Inspect() string } // Integer type Integer struct { Value int64 } func (i *Integer) Type() ObjectType { return INTEGER_OBJECT } func (i *Integer) Inspect() string { return fmt.Sprintf("%d", i.Value) } // Booleans type Boolean struct { Value bool } func (b *Boolean) Type() ObjectType { return BOOLEAN_OBJECT } func (b *Boolean) Inspect() string { return fmt.Sprintf("%t", b.Value) } // Null type Null struct{} func (n *Null) Type() ObjectType { return NULL_OBJECT } func (n *Null) Inspect() string { return "null" }