r37r0m0d3l · March 24, 2018 21:19
diff --git a/Enforcing required parameters.js b/Enforcing required parameters.js
 const required = () => {throw new Error('Missing parameter')};

 //The below function will trow an error if either "a" or "b" is missing.
 const add = (a = required(), b = required()) => a + b;

 add(1, 2) //3
 add(1) // Error: Missing parameter.
	const required = () => {throw new Error('Missing parameter')};

	//The below function will trow an error if either "a" or "b" is missing.
	const add = (a = required(), b = required()) => a + b;

	add(1, 2) //3
	add(1) // Error: Missing parameter.
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