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[SR-9915] Documentation: type(of:) documentation snippet does not compile #52321

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ktoso opened this issue Feb 13, 2019 · 3 comments
Closed

[SR-9915] Documentation: type(of:) documentation snippet does not compile #52321

ktoso opened this issue Feb 13, 2019 · 3 comments
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documentation improvement standard library Area: Standard library umbrella

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ktoso commented Feb 13, 2019

Previous ID SR-9915
Radar None
Original Reporter @ktoso
Type Improvement
Status Closed
Resolution Done
Additional Detail from JIRA
Votes 0
Component/s Standard Library
Labels Improvement, Documentation
Assignee @ktoso
Priority Medium

md5: 4034e73111f733319a978b85785e968b

Issue Description:

Just a small typo / mistake in documentation snippet. Explained below, I'll provide a PR fixing this shortly.

Where:

Documentation of`type(of)`: https://developer.apple.com/documentation/swift/2885064-type

Which snippet:

func printGenericInfo<T>(_ value: T) {
    let type = type(of: value)
    print("'\(value)' of type '\(type)'")
}

protocol P {}
extension String: P {}

let stringAsP: P = "Hello!"
printGenericInfo(stringAsP)
// 'Hello!' of type 'P'

Fails in this way when attempted to copy verbatim to try out:

error: repl.swift:2:16: error: variable used within its own initial value
    let type = type(of: value)
               ^

Will provide a small PR fixing this shortly.
@ktoso
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ktoso commented Feb 13, 2019

Pull request: #22575

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ktoso commented Feb 15, 2019

PR was merged.

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ktoso commented Jun 24, 2021

was fixed

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