Method update

repl/evaluator.go:219–273

(env *cel.Env)

}

func (l *letFunction) update(env *cel.Env) error {
	var err error

	err = l.updateImpl(env)
	if err != nil {
		return err
	}

	paramTypes := make([]*types.Type, len(l.params))
	for i, p := range l.params {
		ty, err := p.typeHint.AsCELType(env.CELTypeProvider())
		if err != nil {
			return err
		}
		paramTypes[i] = ty
	}

	resultTy, err := l.resultType.AsCELType(env.CELTypeProvider())
	if err != nil {
		return err
	}

	var opt cel.EnvOption
	if l.receiver != nil {
		ty, err := l.receiver.AsCELType(env.CELTypeProvider())
		if err != nil {
			return err
		}
		paramTypes = append([]*types.Type{ty}, paramTypes...)
		opt = cel.Function(
			l.identifier,
			cel.MemberOverload(
				l.identifier,
				paramTypes,
				resultTy,
				l.generateFunctionBinding()...,
			))
	} else {
		opt = cel.Function(
			l.identifier,
			cel.Overload(
				l.identifier,
				paramTypes,
				resultTy,
				l.generateFunctionBinding()...,
			))
	}

	l.env, err = env.Extend(opt)
	if err != nil {
		return err
	}

	return nil
}

func (l letVariable) String() string {
	return fmt.Sprintf("%s = %s", l.identifier, l.src)