Enable warnings for implicit nullability conversions #1138
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tonyarnold
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Nov 19, 2015
…onversions Enable warnings for implicit nullability conversions
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Also resolves any existing issues that Xcode reported. This is not complete nullability annotation for the project, just the essentials
Enabling this warning will force all code to explicitly handle situations where a return value may be nil, but the API expects a non-nil value.