Comments (2)
In this case the error message is a bit confusing but the issue is that letter()
outputs a char
while sep_by
outputs a Vec
and or
requires that both parsers outputs the same type. I am not sure what you want to output in this case but this thread about an expression parser might help as well #54
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Thanks for the reply. Ultimately, what I'm trying to do is parse a string consisting of letters with optional arguments lists, like this: ABA(1, 2)C(3)DE(4, 5, 6)C
. Reading over the thread you linked, it looks like I'll want to make an enum to represent both options. Thanks!
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