Better nullability and error handling#315

Open

ZevEisenberg wants to merge 8 commits intoAliSoftware:masterfrom

ZevEisenberg:master

Commits on Sep 18, 2019

Add nullability annotation for functions that may return nil if there is an issue reading the input file.
Zev Eisenberg
committed
Use Obj-C generics.
Zev Eisenberg
committed
Use more accurate property annotation to silence static analysis warning.
Zev Eisenberg
committed
More idiomatic Objective-C error handling: treat error parameter as undefined unless result signals failure via a nil value.
Zev Eisenberg
committed
Fix copypasta.
Zev Eisenberg
committed
Fix typo.
Zev Eisenberg
committed
Add instructions to the release notes document.
Zev Eisenberg
committed
Update changelog.
Zev Eisenberg
committed