You can simplify the function further.
Ruby return value function.
Let s implement the javascript example presented earlier to its ruby version.
The last expression that is evaluated is automatically returned by the method.
For example def test i 100 j 10 k 0 end this method when called will return the last declared variable k.
With methods one can organize their code into subroutines that can be easily invoked from other areas of their program.
To call a function.
The function returns the absolute value of the integer.
When no block is given it assumes all elements to be self comparable but when the block is given then it is compared using.
Every method in ruby returns a value by default.
3 02 here are our add and subtract methods from before.
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.
The returned object can be anything but a method can only return one thing and it also always returns something.
The object returned could be the object nil meaning nothing but it still is an object.
The function takes two optional parameters n and block.
Function as return value in ruby.
This would return the same value as the prior functions.
2 56 let s take a look at return values in another context though.
The function needs the number whose absolute value is to be returned.
A method in ruby is a set of expressions that returns a value.
This returned value will be the value of the last statement.
Every method always returns exactly one object.
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.
2 53 here the return value from gets is getting assigned to the variable answer.
Enu max n a b block.
The abs function in ruby returns the absolute value of the integer.
The abs is an inbuilt method in ruby returns the absolute value of a number.
2 49 well ruby methods have a return value 2 51 a value that they send back to the code that called them.
Def add integer 2 anotherinteger integer anotherinteger 3.
The function takes the integer whose absolute value is to be returned.
Def say hello name hello name end.
It returns the absolute value of a numbers.
