The Ruby case statement is similar to the switch statement in Java. It has the following syntax:
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Question:
The Ruby case statement is similar to the switch statement in Java. It has the following syntax:
case expression
when expression1 then code ...
when expression2 then code ...
when expression3 then code ... ...
else code
end
a.
Describe the syntax in BNF
b.Using the virtual machine instructions (refer to textbook section 3.5.1), give an operational semantic definition of the case statement.
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