From: Matt Armstrong <matt@...>
Date: 2002-01-24T14:25:59+09:00
Subject: Re: Array.last Weirdness

Alexander Schofield <pcs3@mailhost.njit.edu> writes:

> Array#last= doesn't exist in 1.6 , I don't think it has been added
> since.
> class Array
> 	def last= (obj)
> 		self[length-1] = obj
> 	end
> end
> Will give you the functionality you want (but I think you would need to
> do array.last += ' world').
>
> Just as an aside, this is a method which could save a lot of typing
> in many situations when you are building up an array, it saves you
> having to type arr[arr.length-1]= all over the place.  Shouldn't it
> be added?

I don't think adding Array#last= is a bad idea, but replacing the last
element of an array with a different value isn't so common.  When
building up an array, Array#push and Array#<< are useful though --
they append the value to the array.

-- 
matt