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ramunasjurgilas/Scan.swift

Created January 30, 2020 11:19
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scan() as transforming operator
Raw
Scan.swift
(1...4)
.publisher
.scan([]) { (values, value) -> [String] in
values + [String(value)]
}
.sink { print($0) }
// Output:
// ["1"]
// ["1", "2"]
// ["1", "2", "3"]
// ["1", "2", "3", "4"]
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