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Bugfix/issue 516 keys fetch #567

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Merged
tomholub merged 3 commits into from
Sep 29, 2021
Merged

Bugfix/issue 516 keys fetch #567

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08b982d
issue #516 fix unique method wrong order
sosnovsky Sep 29, 2021
50e4f7f
Merge branch 'master' into bugfix/issue-516-keys-fetch
sosnovsky Sep 29, 2021
7320d10
issue #516 add test for unique() order
sosnovsky Sep 29, 2021
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8 changes: 8 additions & 0 deletions FlowCryptAppTests/ExtensionTests.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -63,6 +63,14 @@ extension ExtensionTests {

XCTAssertNotNil(collection?[safe: 0])
}

func test_unique() {
let collection = [1, 2, 2, 3, 4, 4]
let uniqueCollection = collection.unique()

XCTAssertEqual(uniqueCollection, [1, 2, 3, 4])
XCTAssertEqual(uniqueCollection.unique(), uniqueCollection)
}
}

// MARK: - Calendar
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3 changes: 2 additions & 1 deletion FlowCryptCommon/Extensions/CollectionExtensions.swift
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Expand Up @@ -53,6 +53,7 @@ public extension Array where Element == String {

public extension Collection where Element: Hashable {
func unique() -> [Element] {
return Array(Set(self))
var seen: Set<Element> = []
return filter { seen.insert($0).inserted }
}
}