ã ããããã®è¨äºã®ã¾ãã¾ã§ãã大éæãªè¨³è¨äºã ã¨æã£ã¦ãã ããã ãããªãã¡ã¤ã«(app.js)ããã£ãã¨ããã //app.js exports.testableMethod = function () { complicatedMethod(untestableMethod); }; var untestableMethod = function (a, b) { return (a + b); }; testableMethodã¯exportsããã¦ãã®ã§ãã¹ãã§ãã¾ãã(ã¾ãåç §ã¨ã©ã¼ã§ããã©) ããããæuntestableMethodã®ãã¹ãã£ã¦çµæ§è³é£ã®æ¥ã§exportsããã¦ãã¡ã½ããçµç±ã§ãã¹ããã¦ããããã¹ãç¨ã« var local ; exports.test = local = {}; local.privateMethodA = fucntion () {}; ã¨
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Written April 17, 2013 updated: May 20, 2013 Here's a simple value: And we know how to apply a function to this value: Simple enough. Lets extend this by saying that any value can be in a context. For now you can think of a context as a box that you can put a value in: Now when you apply a function to this value, you'll get different results depending on the context. This is the idea that Functors
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