| definition: |
updFM :: Eq a => FM a b -> a -> (b -> b) -> FM a b
updFM (FM lt fm) i f = FM lt (upd fm)
where
upd EmptyFM = EmptyFM
upd (BranchFM k x h l r)
| i == k = BranchFM k (f x) h l r
| lt i k = BranchFM k x h (upd l) r
| otherwise = BranchFM k x h l (upd r)
|
| demand: |
argument 2 |
| deterministic: |
deterministic operation |
| documentation: |
--- Applies a function to element bound to given key. |
| failfree: |
(_, _, _, _) |
| indeterministic: |
referentially transparent operation |
| infix: |
no fixity defined |
| iotype: |
{(_,{FM},_,_) |-> {FM}}
|
| name: |
updFM |
| precedence: |
no precedence defined |
| result-values: |
{FM}
|
| signature: |
Prelude.Eq a => FM a b -> a -> (b -> b) -> FM a b |
| solution-complete: |
operation might suspend on free variables |
| terminating: |
yes |
| totally-defined: |
possibly non-reducible on same data term |