ios - Possible to use self's ivar in block (instead of making them properties) -

ios - Possible to use self's ivar in block (instead of making them properties) -

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assignment ivar in block via weak pointer 2 answers changing instance variable in block 1 reply

this code:

__weak verycool *weakself = self; something.changehandler = ^(nsuinteger newindex) { if (newindex == 0) { [weakself.options removeobjectforkey:@"seller"]; } };

gives me warning property options not found. that's true, because options ivar, not declared property. possible somehow options weakself without declaring property?

for direct ivar access, utilize ->. example:

__weak verycool *weakself = self; something.changehandler = ^(nsuinteger newindex) { if (newindex == 0) { verycool* strongself = weakself; if (strongself) [strongself->options removeobjectforkey:@"seller"]; } };

it's of import check strongself non-nil because direct access instance variable crash nil pointer (which different invoking methods nil receiver , property access method invocation).

ios objective-c cocoa-touch