39 lines
762 B
Swift
39 lines
762 B
Swift
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import Foundation
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extension Scanner {
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@discardableResult
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func string(_ string: String) -> Bool {
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return scanString(string) != nil
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}
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func integers() -> [Int] {
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var numbers: [Int] = []
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while let num = scanInt() {
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numbers.append(num)
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}
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return numbers
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}
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}
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extension String {
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func lines() -> [String] {
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var result: [String] = []
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enumerateLines { line, _ in result.append(line) }
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return result
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}
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}
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extension Sequence {
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func print(_ prefix: String = "") -> Self {
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Swift.print(prefix, Array(self))
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return self
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}
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}
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extension Collection where Element: Collection {
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func flatten() -> [Element.Element] {
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flatMap { $0 }
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}
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}
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