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24 Jun 2017 attr(optional) switch ( condition ) statement, (until C++17) integral or enumeration type, or a declaration of a single non-array variable of such I have written this C code in which I'm declaring a variable inside switch body with initialializing 18 Sep 2008 Case statements are only labels. This means the compiler will interpret this as a jump . In C language declarations are not statements. 26 Oct 2011 A switch statement contains case labels, which provide options to do You can still declare variables in switch statements, you just have to put There are actually 2 questions: 1. Why can I declare a variable after case label? And in C++ declaration statement is also considered as statement (as opposed to C ):. N3337 6/1: statement: declaration-statement 2. According to the C standard (6.8 Statements and blocks), emphasis mine: 3 A block allows a set of declarations and statements to be grouped A switch statement causes control to jump to, into, or past the statement that is the switch body, depending on the value of a controlling expression, and on the Need help? Post your question and get tips & solutions from a Hello, Unlike in pre-C99 versions of C where variables can only be defined at the A switch statement allows a variable to be tested for equality against a list of values. Each value is called a case, and the variable being switched on is checked Because it's the first line in a case statement. You can't introduce variables in a case statement (unless you introduce a block to introduce the
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