fptools 0.0.4

Functional Programming & Useful Tools for D


To use this package, run the following command in your project's root directory:

Manual usage
Put the following dependency into your project's dependences section:

FPTools

Functional Programming & Efficient Tools for D.

Why FPTools?

In Rust, we can use functional programming anywhere because same speed is guaranteed by zero cost abstraction. But in D, we can find functional programming is much slower than OOP or procedural programming. In FPTools, it is also guaranteed like Rust by hand written functions.

Usage

Add Dependency

  • Add dependencies in dub.json
// In dub.json
{
    "dependencies": {
	    "fptools": "~>0.0.2"
    },
}

Example

import dtools.fp;

void main() {
	mixin FP!long;                // You can choose any type to use FP (double, string, int, long and etc.)

	Pipe p;                       // Declare pipeline
	p.input(seq(1,100));          // Input sequence
	p.proc(                       // Write Procedures
		map(x => 2 * x),          // map (Haskell like)
		takeWhile(x => x < 100),  // takeWhile (Haskell like)
		map(x => x / 2),          // map (Haskell like)
		take(40),                 // take (Haskell like)
		drop(10),                 // drop (Haskell like)
		dropWhile(x => x < 30),   // dropWhile (Haskell like)
		prod                      // Product (Haskell like)
	);
	p.output[0].writeln;          // output function exports result as sequence
}
Authors:
  • Tae Geun Kim
Dependencies:
none
Versions:
0.1.0 2018-Sep-14
0.0.5 2018-Sep-13
0.0.4 2018-Sep-13
0.0.3 2018-Sep-13
0.0.2 2018-Sep-12
Show all 7 versions
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Short URL:
fptools.dub.pm