Ruby If Then Shorthand

Notice that we use two equal symbols to mean equality.

Ruby if then shorthand.

I often use group by x x and find x x the latter is to find the first item in an array which is true. This code is functionally equivalent and perhaps a bit easier to understand. Puts santa s on his way. But when you want to check for the opposite not true false.

Puts snow do you use these ruby shorthands. You could convert them into a list of their corresponding email addresses phone number or any other attribute defined on the user class. Assuming there s no technical limitation or ambiguities i suggest that the shorthand syntax for symbol s in the context of an array be applied to strings also. Today christmaseve.

Code smells and ruby shorthand. The main use for map is to transform data. What about using this. Jun 2 nd.

Foo a o b. With an if statement you can check if something is true. Def foo a o b bar. Map is a ruby method that you can use with arrays hashes ranges.

If you don t this right you won t get the expected results. Puts santa s on his way if today christmaseve if else. Until then keep sniffin out those code smells my friends. If rubyists must be told they have to change their forwarding code.

Given an array of strings you could go over every string make every character uppercase. Hi in message re. Unpacking ampersand to proc. If i is greater than 10 the if statement itself will evaluate to the string greater than or will evaluate to the string less than or equal to this is the same thing that the ternary operator is doing only the ternary operator is more compact.

One equals sign in ruby means assignment make sure to use when you want to find out if two things are the same. Thus thus case expr0 when expr1 expr2 stmt1 when expr3 expr4 stmt2 else stmt3 end. I used def foo because that s currently valid ruby code but i m fine with any syntax. The ampersand can be used with an iterator like map and will call to proc on whatever symbol you pass it unless you pass it a block explicitly.

Or if you have a list of user objects. If today christmaseve puts santa s on his way else puts snow end shorthand. It makes it easier to write correct forwarding code.