[llvm-dev] XOR CommandLine arguments

[Sean Silva via llvm-dev]

by "won't work" I mean it may be pretty unintuitive.

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

> Maybe something like `-mode={if,od}` together with `-mode-arg=<string>` ?
> (that probably won't work if the -mode-arg means wildly different things
> for the two options)
>
> -- Sean Silva
>
> On Mon, Apr 4, 2016 at 12:05 PM, Daniel Dilts <diltsman at gmail.com> wrote:
>
>> 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.
>>>>
>>>> _______________________________________________
>>>> LLVM Developers mailing list
>>>> llvm-dev at lists.llvm.org
>>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>>>>
>>>>
>>>
>>
>
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