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Simplification step 1. One last piece of gunk to clear out. 

Signed-off-by: Adam Rocska <adam.rocska@adams.solutions>
This commit is contained in:
Adam Rocska 2020-05-01 14:46:40 +02:00
parent 09469628e3
commit 379b3d576c
1 changed files with 4 additions and 15 deletions
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19
Sources/MaxMindDBReader/DataExtensions/IndexOfData.swift
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@ -57,28 +57,17 @@ extension Data {
}
func lastIndex(of data: Data) -> Index? {
var lastIndexOfData: Index? = index(of: data)
while lastIndexOfData != nil {
guard let currentIndexOfData = index(
of: data,
from: self.index(after: lastIndexOfData!)
) else {
return lastIndexOfData
}
lastIndexOfData = currentIndexOfData
}
return lastIndexOfData
return lastIndex(of: data, from: self.startIndex)
}
func lastIndex(of data: Data, from: Index) -> Index? {
var lastIndexOfData: Index? = from
while lastIndexOfData != nil {
if !self.indices.contains(self.index(after: lastIndexOfData!)) {
return nil
}
let upcomingIndex = self.index(after: lastIndexOfData!)
if !self.indices.contains(upcomingIndex) { return lastIndexOfData == from ? nil : lastIndexOfData }
guard let currentIndexOfData = index(
of: data,
from: self.index(after: lastIndexOfData!)
from: upcomingIndex
) else {
break
}