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mgadda/Bar.swift

Last active January 14, 2017 16:42
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Example which causes swiftc to hang
Raw
Bar.swift
typealias Bar = Foo<Int>
Raw
Foo.swift
typealias Foo<T> = T
Raw
Package.swift
import PackageDescription
let package = Package(
name: "generic_typealias_issue"
)
@mgadda
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mgadda commented Jan 14, 2017 •
edited
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Apparent requirements to reproduce:

  • Foo<T> and Bar must be defined in separate files
  • Foo<T> must take a type parameter

Steps to reproduce:

git clone https://gist.github.com/mgadda/72ea450ec282c210f33ae6ec80f1acce generic_typealias_issue
cd generic_typealias_issue
swift build

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