Ruby Return Value Function

2 49 well ruby methods have a return value 2 51 a value that they send back to the code that called them.

Ruby return value function.

Every method in ruby returns a value by default. The function takes two optional parameters n and block. Other languages sometimes refer to this as a function a method may be defined as a part of a class or separately. The object returned could be the object nil meaning nothing but it still is an object.

The return statement in ruby is used to return one or more values from a ruby method. The abs is an inbuilt method in ruby returns the absolute value of a number. The function returns the absolute value of the integer. Enu max n a b block.

This returned value will be the value of the last statement. When no block is given it assumes all elements to be self comparable but when the block is given then it is compared using. 3 02 here are our add and subtract methods from before. The last expression that is evaluated is automatically returned by the method.

Def say hello name hello name end. The returned object can be anything but a method can only return one thing and it also always returns something. A method in ruby is a set of expressions that returns a value. For example def test i 100 j 10 k 0 end this method when called will return the last declared variable k.

Function as return value in ruby. This would return the same value as the prior functions. With methods one can organize their code into subroutines that can be easily invoked from other areas of their program. Every method always returns exactly one object.

The function needs the number whose absolute value is to be returned. Def add integer 2 anotherinteger integer anotherinteger 3. 2 53 here the return value from gets is getting assigned to the variable answer. 2 56 let s take a look at return values in another context though.

In ruby a method always return exactly one single thing an object. To call a function. Def say hello name return hello name end. You can simplify the function further.

Let s implement the javascript example presented earlier to its ruby version. 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. It returns the absolute value of a numbers.