Kyle S. on Twitter: "@mjtsai Or the caller can prefix with `try!`. Either way, it’s a forced change at the callsite."

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Michael Tsai ‏@mjtsai 23 Jul 2015

init? vs. init throws: http://mjtsai.com/blog/2015/07/23/failable-init-vs-throws/ …
Kyle S. ‏@optshiftk 23 Jul 2015

@mjtsai I think that’s directly analogous to ObjC—initializers that return nil are always improved by adding an …error: argument.
Michael Tsai ‏@mjtsai 23 Jul 2015

@optshiftk Right, but in Objective-C that doesn’t really affect the callsite.
1 like
Kyle S. ‏@optshiftk 23 Jul 2015

@mjtsai Adding an …error: argument does affect the callsite.
Michael Tsai ‏@mjtsai 23 Jul 2015

@optshiftk The caller can just pass NULL if it doesn’t care. Nothing else changes. With Swift, the caller has to add do-catch blocks.

‏@optshiftk

@mjtsai Or the caller can prefix with `try!`. Either way, it’s a forced change at the callsite.

8:22 AM - 23 Jul 2015

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