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Re: Seeing nil passed to isEqual:, despite non-null declaration

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Re: Seeing nil passed to isEqual:, despite non-null declaration

Subject: Re: Seeing nil passed to isEqual:, despite non-null declaration
From: Jens Alfke <email@hidden>
Date: Fri, 13 Jan 2017 09:53:25 -0800

> On Jan 13, 2017, at 9:46 AM, Sean McBride <email@hidden> wrote:
>
> Anyone ever seen nil passed to isEqual:?  Is the SDK declaration maybe wrong?

Check the class documentation, not just the header. The parameter is declared as:
	anObject	The object to be compared to the receiver. May be nil, in which case this method returns NO.

So yes, the parameter should be declared as `nullable`.

—Jens
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	>Seeing nil passed to isEqual:, despite non-null declaration (From: Sean McBride <email@hidden>)

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