Ruby Return Value Function

The function needs the number whose absolute value is to be returned.

Ruby return value function.

2 53 here the return value from gets is getting assigned to the variable answer. This would return the same value as the prior functions. The function takes two optional parameters n and block. The returned object can be anything but a method can only return one thing and it also always returns something.

In ruby a method always return exactly one single thing an object. Def say hello name return hello name end. 3 02 here are our add and subtract methods from before. Def add integer 2 anotherinteger integer anotherinteger 3.

Other languages sometimes refer to this as a function a method may be defined as a part of a class or separately. It returns the absolute value of a numbers. The last expression that is evaluated is automatically returned by the method. 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.

For example def test i 100 j 10 k 0 end this method when called will return the last declared variable k. The return statement in ruby is used to return one or more values from a ruby method. You can simplify the function further. Every method in ruby returns a value by default.

Let s implement the javascript example presented earlier to its ruby version. The function returns the absolute value of the integer. This returned value will be the value of the last statement. The object returned could be the object nil meaning nothing but it still is an object.

A method in ruby is a set of expressions that returns a value. Def say hello name hello name end. To call a function. The function takes the integer whose absolute value is to be returned.

Function as return value in ruby. The abs is an inbuilt method in ruby returns the absolute value of a number. Enu max n a b block. The abs function in ruby returns the absolute value of the integer.

Every method always returns exactly one object. When no block is given it assumes all elements to be self comparable but when the block is given then it is compared using. With methods one can organize their code into subroutines that can be easily invoked from other areas of their program.