storable-functions
所属分类：Node.js
开发工具：JavaScript
文件大小：0KB
下载次数：0
上传日期：2023-10-27 06:16:22
上 传 者：
sh-1993
说明： λ使用基于数组的简单语法和函数编程的可存储和可执行函数。，
(λ Storable and executable functions using array based simple syntax and functional programming.,)
文件列表:
.editorconfig (184, 2023-10-26)
.npmignore (1670, 2023-10-26)
LICENSE (1070, 2023-10-26)
Makefile (173, 2023-10-26)
index.js (52, 2023-10-26)
lib/ (0, 2023-10-26)
lib/functions/ (0, 2023-10-26)
lib/functions/data/ (0, 2023-10-26)
lib/functions/data/arg.js (161, 2023-10-26)
lib/functions/data/array/ (0, 2023-10-26)
lib/functions/data/array/array.js (170, 2023-10-26)
lib/functions/data/object/ (0, 2023-10-26)
lib/functions/data/object/prop.js (215, 2023-10-26)
lib/functions/data/raw.js (79, 2023-10-26)
lib/functions/data/solve.js (156, 2023-10-26)
lib/functions/data/string/ (0, 2023-10-26)
lib/functions/data/string/concat.js (199, 2023-10-26)
lib/functions/higher-order/ (0, 2023-10-26)
lib/functions/higher-order/every.js (290, 2023-10-26)
lib/functions/higher-order/filter.js (291, 2023-10-26)
lib/functions/higher-order/find.js (289, 2023-10-26)
lib/functions/higher-order/foldl.js (438, 2023-10-26)
lib/functions/higher-order/foldr.js (443, 2023-10-26)
lib/functions/higher-order/map.js (288, 2023-10-26)
lib/functions/higher-order/some.js (289, 2023-10-26)
lib/functions/higher-order/sort.js (368, 2023-10-26)
lib/functions/logic/ (0, 2023-10-26)
lib/functions/logic/and.js (159, 2023-10-26)
lib/functions/logic/equals.js (248, 2023-10-26)
lib/functions/logic/if.js (309, 2023-10-26)
... ...
# Storable functions
[](https://www.npmjs.com/package/storable-functions)
[](https://www.npmjs.com/package/storable-functions)
Storable and executable functions using array based simple syntax and functional programming.
## Getting Started
### Installation
```Shell
npm install storable-functions
```
### Run tests
```Shell
npm run-script test
```
### Example usage
#### Basic sample
```javascript
const { resolve } = require('storable-functions')
const operation = [ '+', 3, 4 ] // (3 + 4)
console.log(resolve(operation))
// output: 7
```
#### Nested sample
```javascript
const operation = [ 'mod', ['+', 3, 7], 3 ] // (3 + 7) % 3
console.log(resolve(operation))
// output: 1
```
#### Higher order sample
```javascript
const operation = [
'map', // map function
'num', // argument variable name
[ '+', 3, [ 'arg', 'num' ] ], // lambda
['array', 1, 2, 3] // data
]
/* In js:
[1, 2, 3].map(num => num + 3)
*/
console.log(resolve(operation))
// output: [4, 5, 6]
```
### Operations
#### Math module
| Operation | Token | Params | Sample | Output |
|:--------------------|:-----------:|:------------------------------|:------------------------------|:--------|
| Sum | + | x: Number, y: Number | ["+", 3, 4] | 7 |
| Subtraction | - | x: Number, y: Number | ["-", 9, 4] | 5 |
| Multiplication | * | x: Number, y: Number | ["*", 2, 7] | 14 |
| Division | / | x: Number, y: Number | ["/", 6, 3] | 2 |
| Module | mod | x: Number, y: Number | ["mod", 4, 3] | 1 |
| Absolute value | abs | x: Number | ["abs", -4] | 4 |
| Floor | floor | x: Number | ["floor", 7.2] | 7 |
| Ceil | ceil | x: Number | ["ceil", 7.2] | 8 |
| Trunc | trunc | x: Number | ["trunc", 7.2] | 7 |
| Round | round | x: Number | ["round", 7.9] | 8 |
| Square root | sqrt | x: Number | ["sqrt", 4] | 2 |
| Cubic root | cbrt | x: Number | ["cbrt", 8] | 2 |
| Arithmetic mean | avg | f: Function
| ["avg", ["array", 4, 6, 5]] | 5 |
| Power | ^ | x: Number, y: Number | ["^", 2, 2] | 4 |
| Hypotenuse | hypot | x: Number, y: Number | ["hypot", 1, 2, 2] | 3 |
| Maximum | max | f: Function | ["max", ["array", 2, 3, 4]] | 4 |
| Minimum | min | f: Function | ["min", ["array", 2, 3, 4]] | 2 |
#### Logic module
| Operation | Token | Params | Sample | Output |
|:--------------------|:-----------:|:------------------------------|:------------------------------------------------------|:--------|
| And | and | x: Boolean, y: Boolean | ["and", true, false] | false |
| Or | or | x: Boolean, y: Boolean | ["or", true, false] | true |
| Not | not | x: Boolean | ["not", true] | false |
| Equals | == | x: any, y: any | ["==", 1, 1] | true |
| Conditional 1 | if | f1: Function, x: any | ["if", ["==", 1, 1], 4] | 4 |
| Conditional 2 | elseif | f1: Function, x: any | ["if", ["==", 1, 2], 4, "elseif", ["==", 1, 1], 5] | 5 |
| Conditional 3 | else | x: any | ["if", ["==", 1, 2], 4, "else", 7] | 7 |
### Higher order functions
| Operation | Token | Params | Sample | Output |
|:--------------------|:-----------:|:------------------------------------------------------------------------------|:----------------------------------------------------------------------------------------|:------------|
| Map | map | argName: string, f: Function, l: Function<[]> | ["map", "num", ["+", ["arg", "num"], 1], ["array", 1, 2, 3]] | [2, 3, 4] |
| Foldl | foldl | argName: string, accumulatorName: string, f: Function, l: Function<[]> | ["foldl", "num", 3, "acc", ["^", ["arg", "acc"], ["arg", "num"]], ["array", 1, 2, 3]] | 19683 |
| Foldr | foldr | argName: string, accumulatorName: string, f: Function, l: Function<[]> | ["foldr", "num", 3, "acc", ["^", ["arg", "acc"], ["arg", "num"]], ["array", 1, 2, 3]] | 6561 |
| Filter | filter | argName: string, f: Function, l: Function<[]> | ["filter", "num", ["==", ["arg", "num"], 0], ["array", 0, 1, 2]] | [0] |
| Find | find | argName: string, f: Function, l: Function<[]> | ["find", "num", ["==", ["arg", "num"], 1], ["array", 0, 1, 2]] | 1 |
| Every | every | argName: string, f: Function, l: Function<[]> | ["every", "num", ["==", ["arg", "num"], 0], ["array", 0, 0, 0]] | true |
| Some | some | argName: string, f: Function, l: Function<[]> | ["some", "num", ["==", ["arg", "num"], 1], ["array", 0, 1, 2]] | true |
| Sort | sort | argName1: string, argName2: string, f: Function, l: Function<[]> | ["sort", "num1", "num2", ["-", ["arg", "num2"], ["arg", "num1"]], ["array", 3, 2, 1]] | [1, 2, 3] |
## Contributors
See also the list of [contributors](https://github.com/jparadadev/storable-functions.js/contributors) who participated in this project.
## License
This project is licensed under the MIT License - see the [LICENSE](https://github.com/jparadadev/storable-functions.js/blob/master/LICENSE) file for details.
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