_.m is a port of Underscore.js to Objective-C. It strives to provide the fullest feature set possible in a way that is familiar to JavaScript developers (despite the differences between JavaScript and Objective-C).
To help achieve this vision, _.m uses SubjectiveScript.m to bring JavaScript-like syntax and features into Objective-C, and QUnit.m to port unit tests from JavaScript to Objective-C. You should check them out, too!
Full documentation can be found on the _.m Website
You can use familiar Underscore.js functions:
N* result = (N*) _.detect(AI(1, 2, 3), ^B(N* num){ return num.I * 2 == 4; });
equal(result.I, 2, @"found the first '2' and broke the loop");
and you can even use chaining:
A* lyrics = AO(
@"I'm a lumberjack and I'm okay",
@"I sleep all night and I work all day",
@"He's a lumberjack and he's okay",
@"He sleeps all night and he works all day"
);
O* counts = (O*) __(lyrics)
.map(^(NSS* line, ...) { return line.split(@""); })
.flatten(/* REQUIRED */ false )
.reduce(^(O* hash, N* l, ... /* KEY, LIST */) {
N* value = (N*) hash.getOrAdd(l, ^{ return N.I(0); });
hash.set(l, N.I(value.I+1));
return hash;
}, O.new).value();
ok(counts.get(@"a").I == 16 && counts.get(@"e").I == 10, @"counted all the letters in the song");
To run the example project; clone the repo, and run pod install from the Project directory first.
_.m is available through CocoaPods, to install it simply add the following line to your Podfile:
pod "_.m"
Kevin Malakoff, [email protected]
_.m is available under the MIT license. See the LICENSE file for more info.