On 4/29/16 5:53 AM, Nathan Froyd wrote:
This is a noble goal, but there is an enormous amount of code that
would need to be modified to make this feasible. Perhaps if you
exempted nsresult from MOZ_MUST_USE types.
In theory, nsresult seems like an important type to check.
That said, I once tried building Gecko with `#define NS_IMETHOD
MOZ_WARN_UNUSED_RESULT NS_IMETHOD_(nsresult)`. There were over 10,000
warnings for XPCOM method callers not checking nsresult return values,
so this approach does not seem practical. :(
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