Looks like a bug…strangely, lldb’s giving number: Int = 5678.
On Thu, Jun 16, 2016 at 10:18 PM Martin R via swift-users <
swift-users@swift.org> wrote:
> Hi,
>
> I wonder why the Swift compiler does not complain about the
> redeclaration of `number` after the guard-statement in top-level code:
>
> // main.swift
> import Swift
>
> guard let number = Int("1234") else { fatalError() }
> print(number) // Output: 1234
> let number = 5678
> print(number) // Output: 1234
>
> It looks as if the statement `let number = 5678` is completely ignored.
>
> However, doing the same inside a function causes a compiler error:
>
> func foo() {
> guard let number = Int("1234") else { fatalError() }
> print(number)
> let number = 5678 // error: definition conflicts with previous
> value
> }
>
> Tested with
> - Xcode 7.3.1, "Default" and "Snapshot 2016-06-06 (a)" toolchain
> - Xcode 8 beta.
>
> Am I overlooking something or is that a bug?
>
> Martin
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>
--
-Saagar Jha
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