| definition: |
minVarInTerm :: Term _ -> Maybe VarIdx
minVarInTerm t = case tVars t of
[] -> Nothing
vs@(_:_) -> Just (minimum vs)
|
| demand: |
no demanded arguments |
| deterministic: |
deterministic operation |
| documentation: |
--- Returns the minimum variable in a term or `Nothing` if no variable exists. |
| failfree: |
_ |
| indeterministic: |
referentially transparent operation |
| infix: |
no fixity defined |
| iotype: |
{(_) |-> {Just,Nothing}}
|
| name: |
minVarInTerm |
| precedence: |
no precedence defined |
| result-values: |
{Just,Nothing}
|
| signature: |
Term a -> Prelude.Maybe Prelude.Int |
| solution-complete: |
operation might suspend on free variables |
| terminating: |
possibly non-terminating |
| totally-defined: |
possibly non-reducible on same data term |