| definition: |
optional :: Parser a -> Parser (Maybe a) optional p = Just <$> p <|> yield Nothing |
| demand: |
no demanded arguments |
| deterministic: |
deterministic operation |
| documentation: |
--- Tries to parse using the given parser or returns Nothing |
| failfree: |
_ |
| indeterministic: |
referentially transparent operation |
| infix: |
no fixity defined |
| iotype: |
{(_) |-> {<|>._#lambda6}}
|
| name: |
optional |
| precedence: |
no precedence defined |
| result-values: |
{<|>._#lambda6}
|
| signature: |
(String -> [(a, String)]) -> String -> [(Prelude.Maybe a, String)] |
| solution-complete: |
operation might suspend on free variables |
| terminating: |
yes |
| totally-defined: |
reducible on all ground data terms |