Missing default in switch

[T.E.Dickey]

In comp.std.c Mathew Hendry <scampi@dial.pipex.com> wrote:

>>otoh, if you _do_ supply a 'default:', then some compilers will generate
>>more compact code

> How? Adding an empty default doesn't change the meaning of the switch
> statement.

no - it doesn't change the meaning.  But (MSVC is a good example), I've
observed that for some compilers, generating warnings seems to stop it from
going on to do additional type-checking and optimization (probably more
a characteristic of the programmer than the program ;-)

> MSVC supports

-- 
Thomas E. Dickey
dickey@clark.net
http://www.clark.net/pub/dickey