frp-d 1.1.0-alpha.1
Functional Reactive Programming (FRP) library.
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:
FRP-D: Functional Reactive Programming Library for D
This library is built from the ground up in order to take full advantage of some of Ds unique features.
Basic Usage
Cell Usage
void main() {
auto a = cell!int(1);
auto b = cell(2);
auto product = cf!mul(a,b);
auto currentProduct = mul(a.value,b.value);
writeln("`product` is a: `Cell!int`");
writeln("`currentProduct` is a: `int`");
writeln(a.value," * ",b.value," = ",product.value);
a.value = 2;
writeln(a.value," * ",b.value," = ",product.value);
b.value = 3;
writeln(a.value," * ",b.value," = ",product.value);
writeln("but `currentProduct` never changed: ",currentProduct);
}
Stream Usage
void main() {
auto a = stream!int;
auto b = stream!int;
auto a3 = a.map!triple;
auto a3b = join!((int[] l, int[] r)=>l~r)(a3,b);
a3.addListener!((int v){writeln("Event in `a3`: ",v);});
a3b.addListener!((int v){writeln("Event in `a3b`: ",v);});
writeln("Order of listeners being called from events from the same source is undefined. (More technically, events in the same transaction.");
a.put(1);
writeln("--- Transation break.");
b.put(2);
writeln("--- Transation break.");
a.put(5);
writeln("--- Transation break.");
a.put(6);
}
Contributing
If you have an interest is seeing a good FRP library native in D, join in the fun! I love colaborating!
If you have questions just ask.
- 1.1.0-alpha.1 released 5 years ago
- JonathanILevi/frp-d
- BSL-1.0
- Copyright © 2019, Jonathan Levi
- Authors:
- Sub packages:
- frp-d:cell, frp-d:stream
- Dependencies:
- none
- Versions:
-
1.1.0-alpha.1 2019-Feb-01 1.0.0-beta.1 2019-Jan-25 ~master 2019-Feb-01 ~stream 2019-Feb-01 - Download Stats:
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- Short URL:
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