Snipplr comments feed https://ipv6.snipplr.com/ Wed, 22 Apr 2026 06:45:59 +0000 https://ipv6.snipplr.com/view/2217/totalling-all-of-a-variable <p><p>A little explanation to how the code works.</p> <p>The method, sum, calls the block as often as it likes, with arguments. The block does something with the arguments and returns a value to the method.</p> <p>In this case, .sum method calls the block for each item, and the block returns the price for the item to the .sum method.</p> </p> Mon, 26 Feb 2007 19:36:02 UTC https://ipv6.snipplr.com/view/2217/totalling-all-of-a-variable