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Aug 19, 2022
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Rename sum/add functions in examples #168

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25 changes: 13 additions & 12 deletions content/en/2-6-Function.md
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Original file line number Diff line number Diff line change
Expand Up @@ -11,45 +11,46 @@ function sum(a, b) {
> Named function expression

```js
const max = function max(a, b) {
const sum = function sum(a, b) {
return a + b;
};
```

> Anonymous function expression

```js
const max = function (a, b) {
const sum = function (a, b) {
return a + b;
};
```

> Arrow function (Lambda function)

```js
const max = (a, b) => {
const sum = (a, b) => {
return a + b;
};
```

> Lambda expression

```js
const max = (a, b) => a + b;
const sum = (a, b) => a + b;
```

```js
const add = (a) => (b) => a + b;
const sum = (a) => (b) => a + b;

// prettier-ignore
const hash =
(data = {}) =>
(key, value) => ((data[key] = value), data);
(key, value) => ((data[key] = value), data);
```

> Superposition

```js
const expr2 = add(
const expr2 = sum(
pow(mul(5, 8), 2),
div(inc(sqrt(20)), log(2, 7))
);
Expand Down Expand Up @@ -87,10 +88,10 @@ const result = curry((a, b, c) => a + b + c)(1, 2)(3);
> Wrapper

```js
const add = (a, b) => a + b;
const sum = (a, b) => a + b;

console.log('Add numbers: 5 + 2 = ' + add(5, 2));
console.log('Add floats: 5.1 + 2.3 = ' + add(5.1, 2.3));
console.log(`Concatenate: '5' + '2' = '${add('5', '2')}'`);
console.log('Subtraction: 5 + (-2) = ' + add(5, -2));
console.log('Add numbers: 5 + 2 = ' + sum(5, 2));
console.log('Add floats: 5.1 + 2.3 = ' + sum(5.1, 2.3));
console.log(`Concatenate: '5' + '2' = '${sum('5', '2')}'`);
console.log('Subtraction: 5 + (-2) = ' + sum(5, -2));
```
7 changes: 5 additions & 2 deletions content/en/2-7-Closure.md
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Expand Up @@ -164,12 +164,15 @@ console.log(a);
> Callback

```js
const add = (a, b) => a + b;
// Return result
const sum = (a, b) => a + b;

// Pass result to a callback
const sum = (a, b, callback) => callback(a + b);
```

```js
console.log('add(5, 2) =', add(5, 2));
console.log('sum(5, 2) =', sum(5, 2));
sum(5, 2, console.log.bind(null, 'sum(5, 2) ='));
```

Expand Down
22 changes: 11 additions & 11 deletions content/ru/2-6-Function.md
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Expand Up @@ -13,31 +13,31 @@ function sum(a, b) {
Функциональное выражение с именованной функцией (Named function expression):

```js
const max = function max(a, b) {
const sum = function sum(a, b) {
return a + b;
};
```

Анонимное функциональное выражение (Anonymous function expression):

```js
const max = function (a, b) {
const sum = function (a, b) {
return a + b;
};
```

Стрелочная или лямбда-функция (Arrow, Lambda function):

```js
const max = (a, b) => {
const sum = (a, b) => {
return a + b;
};
```

Лямбда-выражение, Функция-стрелка с выражением в качестве тела (Lambda expression, Arrow function):

```js
const max = (a, b) => a + b;
const sum = (a, b) => a + b;
```

> Чистая функция (Pure Function) — детерминированная функция без побочных эффектов.
Expand All @@ -53,7 +53,7 @@ const max = (a, b) => a + b;
Примеры:

```js
const add = (a) => (b) => a + b;
const sum = (a) => (b) => a + b;

const hash =
(data = {}) =>
Expand All @@ -63,7 +63,7 @@ const hash =
> Суперпозиция (Superposition) — объединение вызова функций в выражения таким образом, что результат одних функций становится аргументами других функций.

```js
const expr2 = add(
const expr2 = sum(
pow(mul(5, 8), 2),
div(inc(sqrt(20)), log(2, 7))
);
Expand Down Expand Up @@ -109,10 +109,10 @@ const result = curry((a, b, c) => a + b + c)(1, 2)(3);
Функция, которая оборачивает другую функцию (иногда объект, интерфейс или функциональный объект), добавляя ему дополнительное поведение. Можно обернуть целый API интерфейс и даже асинхронную функцию вместе с колбеками (если известен контракт).

```js
const add = (a, b) => a + b;
const sum = (a, b) => a + b;

console.log(`Add nums: ${add(5, 2)}`);
console.log(`Add float: ${add(5.1, 2.3)}`);
console.log(`Concatenate: ${add('5', '2')}`);
console.log(`Subtraction: ${add(5, -2)}`);
console.log(`Add nums: ${sum(5, 2)}`);
console.log(`Add float: ${sum(5.1, 2.3)}`);
console.log(`Concatenate: ${sum('5', '2')}`);
console.log(`Subtraction: ${sum(5, -2)}`);
```
7 changes: 5 additions & 2 deletions content/ru/2-7-Closure.md
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Expand Up @@ -164,12 +164,15 @@ console.log(a);
> Callback

```js
const add = (a, b) => a + b;
// Обычный возврат результата
const sum = (a, b) => a + b;

// Возврат результата в функцию обратного вызова
const sum = (a, b, callback) => callback(a + b);
```

```js
console.log('add(5, 2) =', add(5, 2));
console.log('sum(5, 2) =', sum(5, 2));
sum(5, 2, console.log.bind(null, 'sum(5, 2) ='));
```

Expand Down