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Simplify getSpecial

This commit is contained in:
Joseph C. Sible 2020-04-05 16:21:07 -04:00
parent 1cf0aa25e9
commit ca41440a67
1 changed files with 2 additions and 3 deletions
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5
src/ShellCheck/AnalyzerLib.hs
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@ -826,9 +826,8 @@ getBracedReference s = fromMaybe s $
let name = takeWhile isVariableChar s let name = takeWhile isVariableChar s
guard . not $ null name guard . not $ null name
return name return name
getSpecial (c:_) = getSpecial (c:_) | c `elem` "*@#?-$!" = return [c]
if c `elem` "*@#?-$!" then return [c] else fail "not special" getSpecial _ = fail "empty or not special"
getSpecial _ = fail "empty"
nameExpansion ('!':rest) = do -- e.g. ${!foo*bar*} nameExpansion ('!':rest) = do -- e.g. ${!foo*bar*}
let suffix = dropWhile isVariableChar rest let suffix = dropWhile isVariableChar rest