Ruby Return Value Function

It returns the absolute value of a numbers.

Ruby return value function.

Every method always returns exactly one object. With methods one can organize their code into subroutines that can be easily invoked from other areas of their program. The last expression that is evaluated is automatically returned by the method. 3 02 here are our add and subtract methods from before.

This returned value will be the value of the last statement. The return statement in ruby is used to return one or more values from a ruby method. The returned object can be anything but a method can only return one thing and it also always returns something. The abs function in ruby returns the absolute value of the integer.

The function takes the integer whose absolute value is to be returned. 2 49 well ruby methods have a return value 2 51 a value that they send back to the code that called them. Let s implement the javascript example presented earlier to its ruby version. The function needs the number whose absolute value is to be returned.

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

Enu max n a b block. And how can we have a function being returned as a return value of another function in ruby. Def say hello name hello name end. The function takes two optional parameters n and block.

2 53 here the return value from gets is getting assigned to the variable answer. For example def test i 100 j 10 k 0 end this method when called will return the last declared variable k. Every method in ruby returns a value by default. The abs is an inbuilt method in ruby returns the absolute value of a number.

This would return the same value as the prior functions. The function returns the absolute value of the integer. Function as return value in ruby. Def add integer 2 anotherinteger integer anotherinteger 3.

To call a function. 2 56 let s take a look at return values in another context though. When no block is given it assumes all elements to be self comparable but when the block is given then it is compared using.