Ramūnas ramunasjurgilas
ramunasjurgilas
/ MapKeyPath.swift
Created
January 30, 2020 08:46
map(_:) KeyPath as transforming operator
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| struct Person { | |
| let firstName: String | |
| let lastName: String | |
| } | |
| let publisher = PassthroughSubject<Person, Never>() | |
| publisher | |
| .map(\.firstName, \.lastName).sink { | |
| print("\($0) \($1)") |
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| ["1", "2", "w", "3"] | |
| .publisher.map { | |
| Int($0) | |
| } | |
| .sink { | |
| print($0) | |
| } | |
| // Output: | |
| //Optional(1) |
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| ["L", "I", "E", "T", "U", "S", "!"] | |
| .publisher.collect().sink { | |
| print($0) | |
| } | |
| // Output: ["L", "I", "E", "T", "U", "S", "!"] | |
| ["L", "I", "E", "T", "U", "S", "!"] | |
| .publisher.collect(4).sink { | |
| print($0) | |
| } |
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