The Underscore.js _.rcurry2() method returns a curried version of the given function where a maximum of two arguments are processed from right to left.
Syntax:
_.rcurry2( fun )
Parameters: This method takes a single parameter as listed above and discussed below:
- fun: This is the given function passed as parameter.
Return Value: This method returns a curried function.
Note: To execute the below examples, you have to install the underscore-contrib library by using this command prompt and execute the following command.
npm install underscore-contrib
Example 1:
// Defining underscore contrib variable var _ = require('underscore-contrib'); // Function function div(a, b) { return a/b; } var curried = _.rcurry2(div); console.log("Curried division is :", curried(4)(16)); |
Output:
Curried division is : 4
Example 2:
// Defining underscore contrib variable var _ = require('underscore-contrib'); // Function function sub(a, b) { return a-b; } var curried = _.rcurry2(sub); console.log("Curried Subtraction is :", curried(2)(4)); |
Output:
Curried Subtraction is : 2
Example 3: Reversed Arguments shown below:
// Defining underscore contrib variable var _ = require('underscore-contrib'); // Function function div(a, b) { return ("a="+a+" and b="+b); } var curried = _.rcurry2(div); console.log(curried("a")("b")); |
Output:
a=b and b=a
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