Just in an attempt at playing code golf, the int example could also be written as
let sentence = optionalNumber.map { "My favorite number is \($0)" }
Though, of course again it's specific to the second code path happening to be convenient – in general the operator will remain more useful.
One could write
let sentence = optionalNumber.map { "My favorite number is \($0)" } ?? fallback()
But I think that fails in the direction of
improve[ing] the readability of the code
So your solution wins here ;-)
Ultimately, it's a matter of taste. The ?? | operator, however, allows me express the same idea in the style of an operator (ternary conditional) that's already common in many programming languages.
?? |
Using map in this way is documented for this use in the standard library, so I prefer that method.
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Just in an attempt at playing code golf, the int example could also be written as
Though, of course again it's specific to the second code path happening to be convenient – in general the operator will remain more useful.
One could write
But I think that fails in the direction of
So your solution wins here ;-)
Ultimately, it's a matter of taste.
The
?? |operator, however, allows me express the same idea in the style of an operator (ternary conditional) that's already common in many programming languages.Using map in this way is documented for this use in the standard library, so I prefer that method.