[PATCH] LLDB formatter for llvm::Optional

[Justin Bogner]

+enrico

Is this the right way to do this? Specifically, I wasn't very sure about
the use of str() to get the representation of the casted type.

Justin Bogner <mail at justinbogner.com> writes:
> This teaches lldb how to print Optional, so instead of
>
>     (llvm::Optional<int>) $1 = {
>       storage = {
>         llvm::AlignedCharArray<4, 4> = (buffer = "\x00\x00")
>       }
>       hasVal = true
>     }
>
> we get
>
>     (llvm::Optional<int>) $1 = 0
>
> or if the optional doesn't have a value, then
>
>     (llvm::Optional<int>) $1 = None

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