Ruby Single Line If

It is used to denote single line comment in ruby.

Ruby single line if. In ruby we can write a conditional containing a single expression that normally takes up three lines. Here we will explain all the conditional statements and modifiers available in ruby. These shorthands beautifully consolidate three or more lines of code into one readable line of code. Multi line comments.

In ruby there are two types of comments. Some languages seem to encourage terse coding as a way of being code studly but ruby coding style encourages elegance readability and maintainability above studliness. Single line comments. Do you use these ruby shorthands.

One equals sign in ruby means assignment make sure to use when you want to find out if two things are the same. Any definition should be written in a way that is clear and clean for maintenance and readability reasons so if the single line becomes unwieldy or confusing then spread it out. The tiny open source pillar holding up the entire internet. This makes sense because do end reads badly in a one liner but for multi line blocks leaving a closing hanging on its own line is inconsistent with everything else that uses end in ruby such as module class method definitions def etc and control structures if.

Here we are going to explain both types of comment with their syntax and example. But when you want to check for the opposite not true false. Browse other questions tagged ruby on rails ruby on rails 4 or ask your own question. Ruby offers conditional structures that are pretty common to modern languages.

Use braces for single line blocks. If today christmaseve puts santa s on his way end shorthand. I ve touched on this gotcha briefly in the past when discussing the wat video but i thought a few examples of when single line conditionals can bite you would be fun. Use do end for multi line blocks.

The overflow blog the overflow 36. I m getting into the habit of using these a lot more consistently so i wanted to share. Notice that we use two equal symbols to mean equality. Its the most easiest typed comments.

Ruby single line comments it is represented by sign.