Ruby Switch Case Assignment

It is similar to the case keyword in another programming languages.

Ruby switch case assignment. Assignment in ruby is done using the equal operator. The components of a case statement in ruby. In this post you will learn a few different use cases and how it all really works under the hood. Case equality case subsumption or three equals operator.

It is used to match a single condition. In programming languages a switch statement is a type of control mechanism used to check if the value of a variable or expression exists and what the program should do from that point. Parallel assignment in ruby. You can collapse and expand arrays using ruby s parallel assignment operator.

As of ruby 1 6 2 if an assignment has one lvalue and multiple rvalues the rvalues are converted to an array and assigned to the lvalue. 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. This is both for variables and objects but since strings floats and integers are actually objects in ruby you re always assigning objects. In other programming languages this is known as a switch statement.

It takes the variables that will be used by when keyword. In ruby it is implemented using the case argument. If a multiple assignment contains more rvalues than lvalues the extra rvalues are ignored. It is similar to the switch keyword in another programming languages.