| definition: |
update :: String -> (Maybe a -> a) -> Trie a -> Trie a
update key f (Trie s it) = let (incr, t) = update' key f it
in Trie (if incr then s+1 else s) t
|
| demand: |
argument 3 |
| deterministic: |
deterministic operation |
| documentation: |
--- Updates or inserts a value in the trie. |
| failfree: |
(_, _, _) |
| indeterministic: |
referentially transparent operation |
| infix: |
no fixity defined |
| iotype: |
{(_,_,{Trie}) |-> {Trie}}
|
| name: |
update |
| precedence: |
no precedence defined |
| result-values: |
{Trie}
|
| signature: |
String -> (Prelude.Maybe a -> a) -> Trie a -> Trie a |
| solution-complete: |
operation might suspend on free variables |
| terminating: |
possibly non-terminating |
| totally-defined: |
possibly non-reducible on same data term |