| definition: |
varId :: a -> Int
varId x =
maybe (error "Control.Search.SearchTree.Unsafe.varId: argument not a variable")
id
(lookupVarId x)
|
| demand: |
no demanded arguments |
| deterministic: |
deterministic operation |
| documentation: |
--- Returns the unique identifier of a free variable, --- if the argument was not a free variable, otherwise an error is raised. --- This function is only meaningful when applied to --- a part of a result of an encapsulated expression --- if the argument stems from a `Value` node of --- a SearchTree |
| failfree: |
_ |
| indeterministic: |
might be indeterministic |
| infix: |
no fixity defined |
| iotype: |
{(_) |-> _}
|
| name: |
varId |
| precedence: |
no precedence defined |
| result-values: |
_ |
| signature: |
a -> Prelude.Int |
| solution-complete: |
operation might suspend on free variables |
| terminating: |
yes |
| totally-defined: |
reducible on all ground data terms |