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definition:
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readDataFile :: ReadWrite a => FilePath -> IO (Maybe a)
readDataFile file = do
dt <- readFile file
catch (return $ readData dt) (\_ -> return Nothing)
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demand:
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no demanded arguments
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deterministic:
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deterministic operation
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documentation:
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--- Reads a file containing a compact data representation,
--- parses the contents and returns the value.
---
--- If the parse failes (e.g. due to a type mismatch or a bad input format),
--- `Nothing` is returned.
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failfree:
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<FAILING>
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indeterministic:
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referentially transparent operation
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infix:
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no fixity defined
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iotype:
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{(_,_) |-> _}
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name:
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readDataFile
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precedence:
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no precedence defined
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result-values:
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_
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signature:
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ReadWrite a => String -> Prelude.IO (Prelude.Maybe a)
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solution-complete:
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operation might suspend on free variables
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terminating:
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possibly non-terminating
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totally-defined:
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possibly non-reducible on same data term
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