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Nil-fallback operator suggestions
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| // Looking for a Swift replacement for the following ObjC code: | |
| // id x = foo ?: bar | |
| // | |
| // Which of the following do you like, if any? Any other suggestions? | |
| // (Note that '?' cannot be used in a custom operator.) | |
| x = foo !|| bar | |
| x = foo |< bar | |
| x = foo ||< bar | |
| x = foo <|| bar | |
| x = foo <| bar | |
| x = foo <= bar | |
| x = foo <- bar | |
| x = foo ||| bar |
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I'm not sure the operator should be doing an unwrap; it should leave the type of the lhs exactly as it was. After all, since the RHS may be an optional as well, there is no guarantee that the return value of this operator is a non-Optional type.