// Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com). // All rights reserved. // context.go package expr type exprFunc interface { Name() string MinArgs() int MaxArgs() int } type exprContext interface { GetValue(varName string) (value any, exists bool) SetValue(varName string, value any) GetFuncInfo(name string) exprFunc Call(name string, args []any) (result any, err error) }