[llvm-dev] XOR CommandLine arguments

[Daniel Dilts via llvm-dev]

Both arguments require a string.  Sorry, I forgot to mention that.

On Mon, Apr 4, 2016 at 12:02 PM, Sean Silva <chisophugis at gmail.com> wrote:

> Could you do something like `-mode={if,od}` and make the option required?
>
> -- Sean Silva
>
> On Mon, Apr 4, 2016 at 11:54 AM, Daniel Dilts via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
>
>> With the CommandLine library, is there a way to specify that one of two
>> options must be present?
>>
>> I have two parameters, -if and -od.  I want an error if neither is
>> present or if both are present.
>>
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>>
>
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