On 15 May 2015 at 14:38, Xinchen Hui <larue...@gmail.com> wrote:
> I'd prefer to
> disallow initializing a engine exception from user land..
>     like if you try to initialize a engine/type/parser exception, an E_ERROR 
> of:
>    what do you think?

Someone reminded me that TypeExceptions are almost certainly going to
be re-used by users for the cases where PHP's type system isn't
powerful enough to handle their use cases:

function handleFooOrBar($instance) {
    if(!$instance instanceof Bar && !$lol instanceof Foo) {
        throw new TypeException('$instance must be either an instance
of Bar or Foo');
    }
    ...
}

Re-using the built-in TypeException for this would be the right thing
to do and so it needs to be creatable in userland.

cheers
Dan

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