Ruby program that uses one line if statements variable equals 5.
Ruby if or one line.
The overflow blog the overflow 36.
Here s the key difference between ruby and most other languages.
I 5 use one line if statements.
But this syntactic sugar is.
Puts greater than 5 if i 5 puts not greater than 5 if i 5 output not greater than 5.
I would like to do something similar to this.
One of the most powerful features present in most programming and scripting languages is the ability to change the flow of the program as certain conditions change.
The simplest form of flow control and logic in ruby is called an if statement or technically speaking in ruby since everything is an expression an if expression.
The ruby language has a very simple control structure that is easy to read and follow.
I was trying to do a simple one liner while loop in ruby using the curly braces.
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.
Ruby offers conditional structures that are pretty common to modern languages.
If else if syntax.
While x 5 do x 1 end this is sufficient as a one liner but im not a fan of using do end in one liners.
Do you use these ruby shorthands.
This is a negated if statement.
One equals sign in ruby means assignment make sure to use when you want to find out if two things are the same.
It has the same functionality as an if statement that tests for false not true.
If var 10 print variable is 10 else print variable is something else end.
I m getting into the habit of using these a lot more consistently so i wanted to share.
If var 10 print variable is 10 end.
If today christmaseve puts santa s on his way end shorthand.
Notice that we use two equal symbols to mean equality.
But when you want to check for the opposite not true false.
If you don t this right you won t get the expected results.