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Updated for Swift 2.2 #7

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Updated for Swift 2.2 #7

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18 changes: 10 additions & 8 deletions swift/Linguistics.playground/section-1.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -6,36 +6,36 @@ import Foundation
typealias TaggedToken = (String, String?) // Can’t add tuples to an array without typealias. Compiler bug... Sigh.

func tag(text: String, scheme: String) -> [TaggedToken] {
let options: NSLinguisticTaggerOptions = .OmitWhitespace | .OmitPunctuation | .OmitOther
let options = NSLinguisticTaggerOptions(arrayLiteral: NSLinguisticTaggerOptions.OmitWhitespace, NSLinguisticTaggerOptions.OmitOther, NSLinguisticTaggerOptions.JoinNames)
let tagger = NSLinguisticTagger(tagSchemes: NSLinguisticTagger.availableTagSchemesForLanguage("en"),
options: Int(options.rawValue))
tagger.string = text

var tokens: [TaggedToken] = []

// Using NSLinguisticTagger
tagger.enumerateTagsInRange(NSMakeRange(0, count(text)), scheme:scheme, options: options) { tag, tokenRange, _, _ in
tagger.enumerateTagsInRange(NSMakeRange(0, text.characters.count), scheme:scheme, options: options) { tag, tokenRange, _, _ in
let token = (text as NSString).substringWithRange(tokenRange)
tokens.append((token, tag))
}
return tokens
}

func partOfSpeech(text: String) -> [TaggedToken] {
return tag(text, NSLinguisticTagSchemeLexicalClass)
return tag(text, scheme: NSLinguisticTagSchemeLexicalClass)
}

partOfSpeech("I went to the store")
partOfSpeech("I am talking quickly")

func lemmatize(text: String) -> [TaggedToken] {
return tag(text, NSLinguisticTagSchemeLemma)
return tag(text, scheme: NSLinguisticTagSchemeLemma)
}

lemmatize("I went to the store")

func language(text: String) -> [TaggedToken] {
return tag(text, NSLinguisticTagSchemeLanguage)
return tag(text, scheme: NSLinguisticTagSchemeLanguage)
}

language("Ik ben Ayaka")
Expand Down Expand Up @@ -126,7 +126,9 @@ public class NaiveBayesClassifier {

private func totalOccurrencesOfToken(token: String) -> Int {
if let occurrences = tokenOccurrences[token] {
return reduce(occurrences.values, 0, +)
occurrences.reduce(0, combine: { (previous:Int, data:(cat:Category, oc:Int)) -> Int in
return previous + data.oc
})
}
return 0
}
Expand Down