| import os, strutils, asyncdispatch, httpclient | |
| const baseUrl = "http://jsonplaceholder.typicode.com" | |
| proc doRequest(url: string): Future[string] = | |
| echo "Fetching contents from $1" % url | |
| result = newAsyncHttpClient().getContent(url) | |
| proc main() {.async.} = | |
| var requests: seq[Future[string]] = @[] |
| What is Nim? | |
| ----------- | |
| Nim is an incredibly fast systems and applications programming language that is expressive, extensible and fun to use. | |
| Why Nim? | |
| --------- | |
| Expressive | |
| - Clean syntax | |
| - Universal function call syntax (UFCS) |
This article has been given a more permanent home on my blog. Also, since it was first written, the development of the Promises/A+ specification has made the original emphasis on Promises/A seem somewhat outdated.
Promises are a software abstraction that makes working with asynchronous operations much more pleasant. In the most basic definition, your code will move from continuation-passing style:
getTweetsFor("domenic", function (err, results) {
// the rest of your code goes here.