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bind vs curry
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function add(a, b){ | |
return a + b; | |
} | |
var add1 = add.bind(undefined, 1); | |
add1(2) // => 3 |
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// take 1 param | |
function add(a){ | |
// take a second param | |
return function(b){ | |
// do the final work, with all params | |
return a + b; | |
} | |
} | |
var add1 = add(1); | |
add1(2) // => 3 |
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function addMultiple(a, b, c, d, e){ | |
return a + b + c + d + e; | |
} | |
var add1 = addMultiple.bind(undefined, 1); | |
var add2 = add1.bind(undefined, 2); | |
var add3 = add2.bind(undefined, 3); | |
var add4 = add3.bind(undefined, 4); | |
console.log(add4(5)); // => 15 |
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var r = require("ramda"); | |
var curriedAdd = r.curry(function(a, b, c, d, e){ | |
return a + b + c + d + e; | |
}); | |
var add1 = curriedAdd(1); | |
var add2 = add1(2); | |
var add3 = add2(3); | |
var add4 = add3(4); | |
console.log(add4(5)); // => 15 |
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var add10 = addMultiple.bind(undefined, 1, 2, 3, 4) | |
var curriedAdd10 = curriedAdd(1)(2)(3)(4); | |
console.log(add10(5)); // => 15 | |
console.log(curriedAdd10(5)); // => 15 |
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