| definition: |
isPrefixOf :: Eq a => [a] -> [a] -> Bool isPrefixOf [] _ = True isPrefixOf (_:_) [] = False isPrefixOf (x:xs) (y:ys) = x==y && (isPrefixOf xs ys) |
| demand: |
argument 2 |
| deterministic: |
deterministic operation |
| documentation: |
--- Checks whether a list is a prefix of another. --- @param xs - a list --- @param ys - a list --- @return `True` if `xs` is a prefix of `ys` |
| failfree: |
(_, _, _) |
| indeterministic: |
referentially transparent operation |
| infix: |
no fixity defined |
| iotype: |
{(_,{[]},_) |-> {True} || (_,{:},{[]}) |-> {False} || (_,{:},{:}) |-> _}
|
| name: |
isPrefixOf |
| precedence: |
no precedence defined |
| result-values: |
_ |
| signature: |
Prelude.Eq a => [a] -> [a] -> Prelude.Bool |
| solution-complete: |
operation might suspend on free variables |
| terminating: |
yes |
| totally-defined: |
reducible on all ground data terms |