minikube简单入门

message Expression {
    MetaInfo metaInfo = 1;    
    ExpressionType type = 2;
    // 值表达式
    Value valExpr = 3;
    // 计算表达式
    CalcExpression calcExpr = 4;
    // 逻辑表达式
    LogicExpression logicExpr = 5;
    // 关系表达式
    RelationExpression relationExpr = 6;
    // 函数表达式
    FuncExpression funcExpr = 7;
}

message CalcExpression {
    MetaInfo metaInfo = 1;    
    CalcExpressionType type = 2;
    CalcExpression left = 3;
    CalcExpression right = 4;
    Value value = 5;
    FuncExpression func = 6;
}

message RelationExpression {
    MetaInfo metaInfo = 1;    
    RelationExpressionType type = 2;
    CalcExpression left = 3;
    CalcExpression right = 4;
}