throwError is:exact
Is used within a monadic computation to begin exception processing.
Is used within a monadic computation to begin exception processing.
Normally, any exceptions raised while executing a method will be given
the generic
"org.freedesktop.DBus.Error.Failed" name.
throwError allows the programmer to specify an error name, and
provide additional information to the remote application. You may use
this instead of
throwIO to abort a method call.
Throw an error of type
e with
show as a display
function.
Throw an error, escaping the current computation up to the nearest
catchError (if any).
runThrow (throwError e >>= k) = runThrow (throwError e)
Throw an exception in an effectful computation. The type is inferred.
Throws an error carrying information of type e :: *.