Have you ever tried to combine pieces of information from different sources? Maybe you have a list of your friends and another list of their favorite games. You might want to see who likes which game. In databases, we use something called joins to co...
Unions in C are user-defined data types that allow different data members to share the same memory space. They are particularly useful when dealing with situations where different data members need to occupy the same memory space at different times, ...
대수 타입(Algebraic type) 대수 타입이란 여러개의 타입을 합성해서 만드는 타입을 말한다. 합집합(Union) 타입 let a: string | number | boolean; a = 1; a = "hello"; a = true; Union 타입으로 배열 타입 정의하기 let arr: (number | string | boolean)[] = [1, "hello", true]; Union 타입과 객체 타입 type Dog = ...
In today's world, how do we make payments? What do we use to make payments? What do we do to take out loans? How do we repay loans? We are at the mercy of traditional banks and their systems for facilitating each one of these. But are they always saf...
User-Defined Derived Data types There are some derived data types that are defined by the user. These are class , structure , union and enumeration. Class A class represents a group of similar objects. To represent classes , it offers a user-def...
