Ruby Switch Case Or

Else code end compares the expression specified by case and that specified by when using the operator and executes the code of the when clause that matches.

Ruby switch case or.

Stack overflow for teams is a private secure spot for you and your coworkers to find and share information. In this post you will learn a few different use cases and how it all really works under the hood. The case statement is a multiway branch statement just like a switch statement in other languages.

In other programming languages this is known as a switch statement. Whenever you need to use some if elsif statements you could consider using a ruby case statement instead. In computer programming languages a switch statement is a type of selection control mechanism used to allow the value of a variable or expression to change the control flow of program execution via search and map. 1 is a fixnum hello is a string 2 is a 1 3 in the range of 比较让人产生误解的 大概就是1 1也为true 所以理解起来 也不纯碎是is a关系.

It provides an easy way to forward execution to different parts of code based on the value of the expression. In most computer languages the case or conditional also known as switch statement compares the value of a variable with that of several constants or literals and executes the first path with a matching case in ruby it s a bit more flexible and powerful. The expression specified by the when clause is evaluated as the left operand. The components of a case statement in ruby.

Ruby case statement last updated. Switch statements function somewhat similarly to the if statement used in programming languages like c c c visual basic net java and exists in most high level imperative. Ruby exceptions the execution and the exception always go together.