const log = function(x){ console.log(x); return x; } const get = R.curry(function(prop, obj){ return obj[prop]; }) var people = [ {name: "Wan"}, {name: "Zhentian"} ]; var res = R.compose( get(‘name‘), log, R.head )(people); console.log(res);
[Ramda] Simple log function for debugging Compose function
原文：http://www.cnblogs.com/Answer1215/p/5838513.html