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[SR-5425] Data slices do not convert to String properly #3837

CharlesJS opened this issue Jul 11, 2017 · 0 comments

[SR-5425] Data slices do not convert to String properly #3837

CharlesJS opened this issue Jul 11, 2017 · 0 comments


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CharlesJS commented Jul 11, 2017

Previous ID SR-5425
Radar None
Original Reporter @CharlesJS
Type Bug
Status Resolved
Resolution Duplicate

Xcode 9 beta 3
(current trunk is failing to build, so can't test it there at the moment)

Additional Detail from JIRA
Votes 0
Component/s Foundation
Labels Bug
Assignee None
Priority Medium

md5: 04098965672b58e6d129b17146412d61


  • SR-5426 Data slices crash when converted to NSData

Issue Description:

If a Data slice is constructed using a partial range, it will fail to convert to a String properly, as the code below demonstrates:

import Foundation

let data = "FooBar".data(using: .ascii)!
let slice = data[3...]

let string = String(data: slice, encoding: .ascii)
print(string) // nil

Constructing the slice using 3..<6 instead of 3... causes it to work.

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@shahmishal shahmishal transferred this issue from apple/swift May 5, 2022
This issue was closed.
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