April 2017
Intermediate to advanced
316 pages
9h 33m
English
Content preview from Swift Functional Programming - Second Edition
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The identifier pattern
An identifier pattern matches any value and binds the matched value to a variable or constant name. For instance, in the following example, ourConstant is an identifier pattern that matches the value of 7:
let ourConstant = 7 switch ourConstant { case 7: print("7") default: print("a value") }
An identifier pattern is a sub-pattern of the value-binding pattern.
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