Brace Requirements:
I have been using Switch/Case statements forever. But I found an
example that makes me wonder if I have misunderstood something.
I get a compile error with the below code if I don't use braces as
shown in the 'case' statement. I know it's because of theChr
declaration but I don't understand why or how the braces fixes the
problem. I have never used braces before in case statements.
What's up?
Error: parse error before theChr
case keyDownEvent: { // Without this brace and matching closing brace
// I get compile errors on the next statement.
Char theChr = event->data.keyDown.chr;
handled = true;
switch (theChr) {
case '\n':
RtnButtonPressed(); // Initiate calculation
SetFieldFocus(fldXReg);
break;
default: handled = false; // not yet handled
break;
} // end switch(theChr)
break;
} // this and it's matching brace required else error on theChr
// declaration.
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