| definition: |
isEmpty :: Doc -> Bool
isEmpty (Doc d) = isEmptyText (d EOD)
where isEmptyText t = case t of Empty EOD -> True
_ -> False
|
| demand: |
argument 1 |
| deterministic: |
deterministic operation |
| documentation: |
--- Is the document empty? |
| failfree: |
_ |
| indeterministic: |
referentially transparent operation |
| infix: |
no fixity defined |
| iotype: |
{({Doc}) |-> {False,True}}
|
| name: |
isEmpty |
| precedence: |
no precedence defined |
| result-values: |
{False,True}
|
| signature: |
Text.PrettyImpl.Doc -> Prelude.Bool |
| solution-complete: |
operation might suspend on free variables |
| terminating: |
yes |
| totally-defined: |
reducible on all ground data terms |