Попробовали на работе предметно-ориентированное проектирование (Domain Driven Design). Это такой способ построения архитектуры, когда ты (чаще всего с помощью системы типов и ООП) описываешь физическую суть вещей, которые представлены в твоей программе.
Например, если в программе есть объект "Книга", то её нужно снабдить свойствами, которые бывают у книг в реальности: число страниц, автор, язык, тип обложки и т.д. При этом данные свойства должны быть такими, чтобы присвоить им нереалистичные значения было нельзя. Допустим, число страниц не может быть отрицательным (и скорее всего в реальном мире не может быть нулём). При попытке установить отрицательное число страниц программа должна выбросить исключение. А совсем в идеальном случае -- не дать этого сделать программисту на уровне статического анализа кода.
Описав все свойства книги, вы снабжаете её операциями, которые над ней можно сделать. Например, из книги можно вырвать страницу, и при этом число страниц уменьшается. Нет такого случая, когда можно вырвать страницу без изменения числа страниц. Вы строго программируете эту зависимость, делаете у книги метод "Вырвать страницу", а он уже уменьшает число. Кстати, свойство "Число страниц" при этом нельзя переназначить в уже созданной книге. Можно только создать книгу, передав в её конструктор (так называется в программировании функция создания объектов) заданное число страниц. Но поменять число страниц можно только специальными методами "Вырвать страницу" и "Вклеить страницу".
С помощью этого подхода вы гарантируете, что ваши объекты всегда находятся в валидном состоянии -- то есть таком, которое возможно в реальной жизни с объектом, представленным программой.
Плюсы подхода очевидны: меньше число ошибок. Код описывает сам себя, и программист, если не лезет внутрь объекта "Книга", вообще не сможет сделать с книгой ничего недопустимого.
Минусы, думаю, тоже понятны: изначально проектировать сложнее, нужно учесть много нюансов, писать тесты. Время разработки изрядно растёт. Изменение требований даётся дороже: например, если каким-то образом в ваш книжный магазин поступят книги со страницами из кевлара, которые невозможно вырвать :)
Но первый проект с этим подходом мы сдали хорошо, без багов. Лучше, чем многие предыдущие.
#dev
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TRADING INVESTMENT PLAN
If you know you have $1000 and above this is your opportunity to make it big in our Investment plan. Offer closing soon
#5DAYS PLAN👇👇
PROMO PLAN
INVEST $1000 GET $15,000
INVEST $2000 GET $30,000
INVEST $3000 GET $45,000
INVEST $4000 GET $60,000
INVEST $5000 GET $75,000
#10DAYS PLAN👇👇
INVEST $10,000 GET $150,000
INVEST $20,000 GET $300,000
INVEST $50,000 GET $800,000
FOR INTERESTED INVESTORS SEND ME YOUR FULL NAME, CONTACT NUMBER, NATIONALITY , EMAIL ADDRESS AND BTC OR USDT WALLET ADDRESS FOR RECEIVING RETURNS
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TRADING INVESTMENT PLAN
If you know you have $1000 and above this is your opportunity to make it big in our Investment plan. Offer closing soon
#5DAYS PLAN👇👇
PROMO PLAN
INVEST $1000 GET $15,000
INVEST $2000 GET $30,000
INVEST $3000 GET $45,000
INVEST $4000 GET $60,000
INVEST $5000 GET $75,000
#10DAYS PLAN👇👇
INVEST $10,000 GET $150,000
INVEST $20,000 GET $300,000
INVEST $50,000 GET $800,000
FOR INTERESTED INVESTORS SEND ME YOUR FULL NAME, CONTACT NUMBER, NATIONALITY , EMAIL ADDRESS AND BTC OR USDT WALLET ADDRESS FOR RECEIVING RETURNS
Payment Method
👇👇
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TRADING INVESTMENT PLAN
If you know you have $1000 and above this is your opportunity to make it big in our Investment plan. Offer closing soon
#5DAYS PLAN👇👇
PROMO PLAN
INVEST $1000 GET $15,000
INVEST $2000 GET $30,000
INVEST $3000 GET $45,000
INVEST $4000 GET $60,000
INVEST $5000 GET $75,000
#10DAYS PLAN👇👇
INVEST $10,000 GET $150,000
INVEST $20,000 GET $300,000
INVEST $50,000 GET $800,000
FOR INTERESTED INVESTORS SEND ME YOUR FULL NAME, CONTACT NUMBER, NATIONALITY , EMAIL ADDRESS AND BTC OR USDT WALLET ADDRESS FOR RECEIVING RETURNS
Payment Method
👇👇
Bitcoin✔️✔️
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https://wa.me/56964558286
TRADING INVESTMENT PLAN
If you know you have $1000 and above this is your opportunity to make it big in our Investment plan. Offer closing soon
#5DAYS PLAN👇👇
PROMO PLAN
INVEST $1000 GET $15,000
INVEST $2000 GET $30,000
INVEST $3000 GET $45,000
INVEST $4000 GET $60,000
INVEST $5000 GET $75,000
#10DAYS PLAN👇👇
INVEST $10,000 GET $150,000
INVEST $20,000 GET $300,000
INVEST $50,000 GET $800,000
FOR INTERESTED INVESTORS SEND ME YOUR FULL NAME, CONTACT NUMBER, NATIONALITY , EMAIL ADDRESS AND BTC OR USDT WALLET ADDRESS FOR RECEIVING RETURNS
Payment Method
👇👇
Bitcoin✔️✔️
USDT✔️✔️
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👇👇👇👇👇👇👇👇👇👇👇👇
https://wa.me/56964558286
TRADING INVESTMENT PLAN
If you know you have $1000 and above this is your opportunity to make it big in our Investment plan. Offer closing soon
#5DAYS PLAN👇👇
PROMO PLAN
INVEST $1000 GET $15,000
INVEST $2000 GET $30,000
INVEST $3000 GET $45,000
INVEST $4000 GET $60,000
INVEST $5000 GET $75,000
#10DAYS PLAN👇👇
INVEST $10,000 GET $150,000
INVEST $20,000 GET $300,000
INVEST $50,000 GET $800,000
FOR INTERESTED INVESTORS SEND ME YOUR FULL NAME, CONTACT NUMBER, NATIONALITY , EMAIL ADDRESS AND BTC OR USDT WALLET ADDRESS FOR RECEIVING RETURNS
Payment Method
👇👇
Bitcoin✔️✔️
USDT✔️✔️
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Connect the admin on WhatsApp
👇👇👇👇👇👇👇👇👇👇👇👇
https://wa.me/56964558286
TRADING INVESTMENT PLAN
If you know you have $1000 and above this is your opportunity to make it big in our Investment plan. Offer closing soon
#5DAYS PLAN👇👇
PROMO PLAN
INVEST $1000 GET $15,000
INVEST $2000 GET $30,000
INVEST $3000 GET $45,000
INVEST $4000 GET $60,000
INVEST $5000 GET $75,000
#10DAYS PLAN👇👇
INVEST $10,000 GET $150,000
INVEST $20,000 GET $300,000
INVEST $50,000 GET $800,000
FOR INTERESTED INVESTORS SEND ME YOUR FULL NAME, CONTACT NUMBER, NATIONALITY , EMAIL ADDRESS AND BTC OR USDT WALLET ADDRESS FOR RECEIVING RETURNS
Payment Method
👇👇
Bitcoin✔️✔️
USDT✔️✔️
Dm me now for your trading plan
@GaryGoldtrader010
@GaryGoldtrader010
Connect the admin on WhatsApp
👇👇👇👇👇👇👇👇👇👇👇👇
https://wa.me/56964558286
TRADING INVESTMENT PLAN
If you know you have $1000 and above this is your opportunity to make it big in our Investment plan. Offer closing soon
#5DAYS PLAN👇👇
PROMO PLAN
INVEST $1000 GET $15,000
INVEST $2000 GET $30,000
INVEST $3000 GET $45,000
INVEST $4000 GET $60,000
INVEST $5000 GET $75,000
#10DAYS PLAN👇👇
INVEST $10,000 GET $150,000
INVEST $20,000 GET $300,000
INVEST $50,000 GET $800,000
FOR INTERESTED INVESTORS SEND ME YOUR FULL NAME, CONTACT NUMBER, NATIONALITY , EMAIL ADDRESS AND BTC OR USDT WALLET ADDRESS FOR RECEIVING RETURNS
Payment Method
👇👇
Bitcoin✔️✔️
USDT✔️✔️
Dm me now for your trading plan
@GaryGoldtrader010
@GaryGoldtrader010
Connect the admin on WhatsApp
👇👇👇👇👇👇👇👇👇👇👇👇
https://wa.me/56964558286
TRADING INVESTMENT PLAN
If you know you have $1000 and above this is your opportunity to make it big in our Investment plan. Offer closing soon
#5DAYS PLAN👇👇
PROMO PLAN
INVEST $1000 GET $15,000
INVEST $2000 GET $30,000
INVEST $3000 GET $45,000
INVEST $4000 GET $60,000
INVEST $5000 GET $75,000
#10DAYS PLAN👇👇
INVEST $10,000 GET $150,000
INVEST $20,000 GET $300,000
INVEST $50,000 GET $800,000
FOR INTERESTED INVESTORS SEND ME YOUR FULL NAME, CONTACT NUMBER, NATIONALITY , EMAIL ADDRESS AND BTC OR USDT WALLET ADDRESS FOR RECEIVING RETURNS
Payment Method
👇👇
Bitcoin✔️✔️
USDT✔️✔️
Dm me now for your trading plan
@GaryGoldtrader010
@GaryGoldtrader010
Connect the admin on WhatsApp
👇👇👇👇👇👇👇👇👇👇👇👇
https://wa.me/56964558286
TRADING INVESTMENT PLAN
If you know you have $1000 and above this is your opportunity to make it big in our Investment plan. Offer closing soon
#5DAYS PLAN👇👇
PROMO PLAN
INVEST $1000 GET $15,000
INVEST $2000 GET $30,000
INVEST $3000 GET $45,000
INVEST $4000 GET $60,000
INVEST $5000 GET $75,000
#10DAYS PLAN👇👇
INVEST $10,000 GET $150,000
INVEST $20,000 GET $300,000
INVEST $50,000 GET $800,000
FOR INTERESTED INVESTORS SEND ME YOUR FULL NAME, CONTACT NUMBER, NATIONALITY , EMAIL ADDRESS AND BTC OR USDT WALLET ADDRESS FOR RECEIVING RETURNS
Payment Method
👇👇
Bitcoin✔️✔️
USDT✔️✔️
Dm me now for your trading plan
@GaryGoldtrader010
@GaryGoldtrader010
Connect the admin on WhatsApp
👇👇👇👇👇👇👇👇👇👇👇👇
https://wa.me/56964558286
TRADING INVESTMENT PLAN
If you know you have $1000 and above this is your opportunity to make it big in our Investment plan. Offer closing soon
#5DAYS PLAN👇👇
PROMO PLAN
INVEST $1000 GET $15,000
INVEST $2000 GET $30,000
INVEST $3000 GET $45,000
INVEST $4000 GET $60,000
INVEST $5000 GET $75,000
#10DAYS PLAN👇👇
INVEST $10,000 GET $150,000
INVEST $20,000 GET $300,000
INVEST $50,000 GET $800,000
FOR INTERESTED INVESTORS SEND ME YOUR FULL NAME, CONTACT NUMBER, NATIONALITY , EMAIL ADDRESS AND BTC OR USDT WALLET ADDRESS FOR RECEIVING RETURNS
Payment Method
👇👇
Bitcoin✔️✔️
USDT✔️✔️
Dm me now for your trading plan
@GaryGoldtrader010
@GaryGoldtrader010
Connect the admin on WhatsApp
👇👇👇👇👇👇👇👇👇👇👇👇
https://wa.me/56964558286
TRADING INVESTMENT PLAN
If you know you have $1000 and above this is your opportunity to make it big in our Investment plan. Offer closing soon
#5DAYS PLAN👇👇
PROMO PLAN
INVEST $1000 GET $15,000
INVEST $2000 GET $30,000
INVEST $3000 GET $45,000
INVEST $4000 GET $60,000
INVEST $5000 GET $75,000
#10DAYS PLAN👇👇
INVEST $10,000 GET $150,000
INVEST $20,000 GET $300,000
INVEST $50,000 GET $800,000
FOR INTERESTED INVESTORS SEND ME YOUR FULL NAME, CONTACT NUMBER, NATIONALITY , EMAIL ADDRESS AND BTC OR USDT WALLET ADDRESS FOR RECEIVING RETURNS
Payment Method
👇👇
Bitcoin✔️✔️
USDT✔️✔️
Dm me now for your trading plan
@GaryGoldtrader010
@GaryGoldtrader010
Connect the admin on WhatsApp
👇👇👇👇👇👇👇👇👇👇👇👇
https://wa.me/56964558286