package objects import ( "github.com/d5/tengo/compiler/token" ) // BuiltinFunction represents a builtin function. type BuiltinFunction struct { Name string Value CallableFunc } // TypeName returns the name of the type. func (o *BuiltinFunction) TypeName() string { return "builtin-function:" + o.Name } func (o *BuiltinFunction) String() string { return "<builtin-function>" } // BinaryOp returns another object that is the result of // a given binary operator and a right-hand side object. func (o *BuiltinFunction) BinaryOp(op token.Token, rhs Object) (Object, error) { return nil, ErrInvalidOperator } // Copy returns a copy of the type. func (o *BuiltinFunction) Copy() Object { return &BuiltinFunction{Value: o.Value} } // IsFalsy returns true if the value of the type is falsy. func (o *BuiltinFunction) IsFalsy() bool { return false } // Equals returns true if the value of the type // is equal to the value of another object. func (o *BuiltinFunction) Equals(x Object) bool { return false } // Call executes a builtin function. func (o *BuiltinFunction) Call(args ...Object) (Object, error) { return o.Value(args...) }