Re: equality operator question

On Tue, 06 May 2008 16:04:19 +0200, Eberhard Schefold wrote:

> James Kanze schrieb:
> 
>>     if ( (a == true) == true )
>> 
>> Except, of course, that "(a == true) == true" has type bool, so we'll
>> write...
> 
> The motivation for precisely one comparison with true seems rather
> obvious to me -- human language. We say
> 
>     If that expression is true, then ...

We we don't (at least I don't) say "If n is equal to 1 is equal to true, 
then ..."

> not
> 
>     If that expression, then ...

I do say: "If n is equal to 1, then ..."

[...]

> I'm not advocating to compare a bool value with true in an if clause,
> but if somebody prefers that style, I don't see the need to talk them
> out of it.

I might see the need to talk them into using more sensible variable 
names: e.g.

    if (need_user_input) ...

doesn't need an " == true" to make it human language-friendly.

-- 
Lionel B