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Date:      Wed, 12 May 2010 00:14:18 +0300
From:      Shteryana Shopova <syrinx@FreeBSD.org>
To:        Eitan Adler <lists@eitanadler.com>
Cc:        Max Laier <max@love2party.net>, freebsd-hackers@freebsd.org
Subject:   Re: proposed change to style(9): require yoda style if statements
Message-ID:  <AANLkTil0xdCwS1todhuOCKoHNYKBPLBkLSOUOsOCZggP@mail.gmail.com>
In-Reply-To: <AANLkTina6dN7kKJwDJLHW9m7oOC12kfBV8Ge4NJaIGb7@mail.gmail.com>
References:  <AANLkTimCLELSQ9YNZ403_PLhKOQCQTcl9H1bfb1ccRNb@mail.gmail.com> <201005112233.24473.max@love2party.net> <AANLkTina6dN7kKJwDJLHW9m7oOC12kfBV8Ge4NJaIGb7@mail.gmail.com>

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In my humble opinion,

With proper -W flags (i.e. -Wall -Werror), the compilation will fail on
 "if (var =3D const)"

also yoda statements of the kind

if (constant =3D=3D variable)
obfuscate code and make it more difficult to read,  definately not a
good idea IMHO, added the confusion between old and new code that Max
mentioned.

cheers,
Shteryana


On Tue, May 11, 2010 at 11:36 PM, Eitan Adler <lists@eitanadler.com> wrote:
>> With proper -W flags, "if (var =3D const)" also yields a warning:
>>
>> =C2=A0warning: suggest parentheses around assignment used as truth value
>>
>> Chaning style(9) in such a fundamental way almost, always isn't a good i=
dea.
>> It's simply unrealistic to change all current code to comply and the
>> difference between old and new code will just add to the confusion.
>
> Per Julian Elischer
> We might suggest it rather than mandate it.
> Also this method is compiler agnostic and generates a stronger warning
> (an error rather than a warning)
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