| definition: |
stringOrNothing :: SQLValue -> (Maybe String) stringOrNothing SQLNull = Nothing stringOrNothing (SQLString a) = Just a |
| demand: |
argument 1 |
| deterministic: |
deterministic operation |
| failfree: |
{SQLNull,SQLString}
|
| indeterministic: |
referentially transparent operation |
| infix: |
no fixity defined |
| iotype: |
{({SQLNull}) |-> {Nothing} || ({SQLString}) |-> {Just}}
|
| name: |
stringOrNothing |
| precedence: |
no precedence defined |
| result-values: |
{Just,Nothing}
|
| signature: |
Database.CDBI.Connection.SQLValue -> Prelude.Maybe String |
| solution-complete: |
operation might suspend on free variables |
| terminating: |
yes |
| totally-defined: |
possibly non-reducible on same data term |