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    lambda-jampublic

    lambda-jam

    lambda-jam is a sweet.js macro, λ, which is used to create shorthand, anonymous functions with special argument identifiers. Its functionality is inspired by clojure's shorthand function macro, #().

    npm install lambda-jam

    Examples

    lambda-jam's real power is derived from its special argument identifiers and the fact that it returns the last expression for you. _1 references the first argument, _2 references the second argument and so on up until _9. Though, the hope is that you're not passing 9 arguments to a function.

    var square = λ(_1 * _1);
    console.log(square(4)); // 16 
     
    var sum = [1, 2, 3].reduce( λ(_1 + _2) );
    console.log(sum); // 6 
     
    var tweets = [
      {viewed: true, msg: "kjadf"},
      {viewed: false, msg: "sweet"},
      {viewed: false, msg: "js"}
    ];
     
    var joinedMsg = tweets.filter( λ(!_1.viewed && _1.msg) ).map( λ(_1.msg) ).join('.');
    console.log(joinedMsg); // sweet.js 

    Check the test suite for a few more examples.

    Tests

    make test

    License

    MIT

    Keywords

    none

    install

    npm i lambda-jam

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    version

    0.0.3

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