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definition:
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checkForWish :: IO (Maybe ReplState) -> IO (Maybe ReplState)
checkForWish =
checkForCommand "wish"
"Windowing shell `wish' not found. Please install package `tk'!"
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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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-- Check whether the windowing shell "wish" is available.
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failfree:
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()
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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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{() |-> {checkForCommand}}
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name:
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checkForWish
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precedence:
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no precedence defined
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result-values:
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{checkForCommand}
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signature:
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Prelude.IO (Prelude.Maybe REPL.State.ReplState)
-> Prelude.IO (Prelude.Maybe REPL.State.ReplState)
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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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