[Webkit-unassigned] [Bug 188501] Meaning of OptionSet::contains is unclear when used with OptionSet argument

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=188501

--- Comment #4 from Antti Koivisto <koivisto at iki.fi> ---
> I think contains() should act like containsAll(). When I say

You may think that, but the fact the it didn't is a pretty strong indication that not everyone agrees. Better use clear names.

> I do not think this is needed. The bitwise & operator overloading can do
> exactly what this function does. When I say
> 
>     if (option1 & options2)

contains*() functions are useful because they return bools. For example 

bool foo = option1 & options2; 

doesn't compile, you need a clunky explicit conversion:

bool foo = !!(option1 & options2);

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