[swift-evolution] Failable Initializer Suggestion

[Tino Heth]

> How do you guys think of that?
Makes sense.
Failable init has its roots in Objective-C, throws is a better fit for Swift — but it is not trivial to change all Cocoa class to throw instead of returning nil (at least in theory — most likely many classes don't have that many reasons for a possible error).
Imho failable init should be removed again (but in a timeframe beyond the normal range of this list ;-)

Tino
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