light_future

light-future

A lightweight future, allows users to better abstract concurrency logic.

Intro

Using Future tends to be more readable, asynchronous behavior is abstracted under the Future, and code tends to be more elegant

Example

result, err := NewFuture(ctx, func(ctx context.Context) (interface{}, error) {
    b := a
    return b, nil
}).
Send().
Await().
Result()

Benchmark

Compare using future and pass the result by the channel, you can compare this cost to determine whether to use

goos: linux
goarch: amd64
pkg: github.com/ragpanda/light-future
cpu: Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz
BenchmarkFuture-8                        	   10000	    104739 ns/op	   45246 B/op	    1006 allocs/op
BenchmarkGoroutineUsingChannelReturn-8   	   14524	     82598 ns/op	   15830 B/op	     398 allocs/op
PASS
ok  	github.com/ragpanda/light-future	3.098s