Dennis Vennink dennisvennink
dennisvennink
/ headAndTail.swift
Last active
January 17, 2021 09:49
— forked from ole/headAndTail.swift
Swift challenge: Sequence.headAndTail
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| extension Sequence { | |
| var headAndTail: (head: Element, tail: SubSequence)? { | |
| var head: Element? | |
| let tail = drop { | |
| if head == nil { | |
| head = $0 | |
| return true | |
| } else { |
dennisvennink
/ main.swift
Last active
June 16, 2019 06:03
— forked from mattt/BoundedSequence.swift
https://twitter.com/mattt/status/1055582012801613824
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| let xs = [1, 2, 3, 4, 5] | |
| for (element, index) in zip(xs, xs.indices) { | |
| if index == xs.startIndex { | |
| print("START") | |
| } | |
| print(element) | |
| if index == xs.index(before: xs.endIndex) { |