I would introduce a list with the allowed values and introduce a macro "checked_set", which tests the setting or aborts.


Am 18.02.19 um 15:06 schrieb workbe...@gmx.at:
Hi everyone,

i've looked the web but found no result. I need a string variable that allows only certain values, like bool variables only allow true/false my string should be either "A" or "B" ...

best regards!


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