| definition: |
isLetter :: Token -> Bool
isLetter x = case x of
Letter _ -> True
_ -> False
|
| demand: |
argument 1 |
| deterministic: |
deterministic operation |
| documentation: |
--- test for category "Letter" (Char) |
| failfree: |
_ |
| indeterministic: |
referentially transparent operation |
| infix: |
no fixity defined |
| iotype: |
{({Letter}) |-> {True} || ({SmallComment}) |-> _ || ({BigComment}) |-> _ || ({Text}) |-> _ || ({Code}) |-> _ || ({ModuleHead}) |-> _ || ({Meta}) |-> _}
|
| name: |
isLetter |
| precedence: |
no precedence defined |
| result-values: |
{False,True}
|
| signature: |
Token -> Prelude.Bool |
| solution-complete: |
operation might suspend on free variables |
| terminating: |
yes |
| totally-defined: |
reducible on all ground data terms |