Ruby Return Value Function

This returned value will be the value of the last statement.

Ruby return value function.

Def say hello name hello name end. 2 49 well ruby methods have a return value 2 51 a value that they send back to the code that called them. Def say hello name return hello name end. The return statement in ruby is used to return one or more values from a ruby method.

And how can we have a function being returned as a return value of another function in ruby. Enu max n a b block. The returned object can be anything but a method can only return one thing and it also always returns something. The last expression that is evaluated is automatically returned by the method.

It returns the absolute value of a numbers. 2 56 let s take a look at return values in another context though. With methods one can organize their code into subroutines that can be easily invoked from other areas of their program. Function as return value in ruby.

The function needs the number whose absolute value is to be returned. This would return the same value as the prior functions. The abs function in ruby returns the absolute value of the integer. In ruby a method always return exactly one single thing an object.

The object returned could be the object nil meaning nothing but it still is an object. 3 02 here are our add and subtract methods from before. When no block is given it assumes all elements to be self comparable but when the block is given then it is compared using. For example def test i 100 j 10 k 0 end this method when called will return the last declared variable k.

Let s implement the javascript example presented earlier to its ruby version. Every method in ruby returns a value by default. The abs is an inbuilt method in ruby returns the absolute value of a number. The max of enumerable is an inbuilt method in ruby returns the maximum elements or an array containing the maximum n elements in the enumerable.

The function takes the integer whose absolute value is to be returned. 2 53 here the return value from gets is getting assigned to the variable answer. Every method always returns exactly one object. To call a function.

You can simplify the function further. Other languages sometimes refer to this as a function a method may be defined as a part of a class or separately. A method in ruby is a set of expressions that returns a value.