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Emit error if undefined variables are substituted #211

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srhickma opened this issue Sep 9, 2019 · 0 comments
Open

Emit error if undefined variables are substituted #211

srhickma opened this issue Sep 9, 2019 · 0 comments
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difficulty/easy This is a simple or small issue enhancement New feature or request good first issue Good for newcomers

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@srhickma
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srhickma commented Sep 9, 2019

If a pattern variable is never defined in a capture, it should be removed altogether, since any substitution will be replaced by the empty string. Emitting a pattern generation error in this case will help eliminate errors caused by misspelled variable names in specifications.
@srhickma srhickma added enhancement New feature or request good first issue Good for newcomers difficulty/easy This is a simple or small issue labels Sep 9, 2019
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difficulty/easy This is a simple or small issue enhancement New feature or request good first issue Good for newcomers
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