CurryInfo: base-3.4.0 / Control.Search.SetFunctions.getSome
definition: 
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getSome :: Values a -> IO (Maybe (a, Values a)) #ifdef __KICS2__ getSome (Values []) = return Nothing getSome (Values (x:xs)) = return (Just (x, Values xs)) |
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demand:
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argument 1 |
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deterministic:
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deterministic operation |
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documentation:
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Selects (indeterministically) some value in a multiset of values and returns the selected value and the remaining multiset of values. Thus, `select` has always at most one value. If the value set is empty, `Nothing` is returned. |
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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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{({Values}) |-> _}
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name:
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getSome |
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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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Values a -> Prelude.IO (Prelude.Maybe (a, Values 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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reducible on all ground data terms |