A virtual package which provides a base version of Swift to bootstrap ">=dev-lang/swift-6*" with. Swift 6 and later require an earlier Swift compiler to bootstrap with; "dev-lang/swift" can depend on earlier versions of itself, but to avoid arbitrarily long dependency chains on a first install of Swift on a new machine, this package vends a base version of Swift that newer versions can BDEPEND on. Bootstrap from binary (dev-lang/swift-bin:5/10) instead of building from source (dev-lang/swift:5/10). swiftlang/swift The Swift 5 language, compiler, and tooling, used to bootstrap future versions of Swift. Minor Swift versions.