Sha256: 91bfff9c037f508026ca1ad3a71fc6333d58901eb09409a722f898bdc8b6e29b
Contents?: true
Size: 1.39 KB
Versions: 105
Compression:
Stored size: 1.39 KB
Contents
enum ProteinTranslationError: Error {
case invalidCodon
}
struct ProteinTranslation {
private static func lookup(codon: String) -> String? {
switch codon {
case "AUG":
return "Methionine"
case "UUU", "UUC":
return "Phenylalanine"
case "UUA", "UUG":
return "Leucine"
case "UCU", "UCC", "UCA", "UCG":
return "Serine"
case "UAU", "UAC":
return "Tyrosine"
case "UGU", "UGC":
return "Cysteine"
case "UGG":
return "Tryptophan"
case "UAA", "UAG", "UGA":
return "STOP"
default:
return nil
}
}
static func translationOfCodon(_ codon: String) throws -> String {
guard let protein = lookup(codon: codon) else {
throw ProteinTranslationError.invalidCodon
}
return protein
}
static func translationOfRNA(_ strand: String) throws -> [String] {
var strand = strand
var result = [String]()
while !strand.isEmpty {
let codon = String(strand.characters.prefix(3))
let translation = try translationOfCodon(codon)
if translation == "STOP" {
return result
}
result.append(translation)
strand = String(strand.characters.dropFirst(3))
}
return result
}
}
Version data entries
105 entries across 105 versions & 1 rubygems