Size: a a a
Т8
type HasMyError[F[_]] = ApplicativeError[F, MyError]
def myFunction[F[_]: HasMyError](...): F[SomeOutput] = ???
p
type HasMyError[F[_]] = ApplicativeError[F, MyError]
def myFunction[F[_]: HasMyError](...): F[SomeOutput] = ???
DS
myFunction :: (MonadError MyError m) => ... -> m SomeOutput
Т8
type HasMyError[F[_]] = ApplicativeError[F, MyError]
def myFunction[F[_]: HasMyError](...): F[SomeOutput] = ???
в Vala // error domain with multiple error codes instead of exception class
errordomain MyError {
FOO,
BAR
}
// must be declared in method signature, part of the contract
void method () throws MyError {
// error domain, error code, error message
throw new MyError.FOO ("not enough foo");
}Т8
Т8
// must be catched or propagated, compiler warning if ignored
try {
method ();
} catch (MyError e) {
stderr.printf ("Error: %s\n", e.message);
}NL
DS
в Vala // error domain with multiple error codes instead of exception class
errordomain MyError {
FOO,
BAR
}
// must be declared in method signature, part of the contract
void method () throws MyError {
// error domain, error code, error message
throw new MyError.FOO ("not enough foo");
}NL
// must be catched or propagated, compiler warning if ignored
try {
method ();
} catch (MyError e) {
stderr.printf ("Error: %s\n", e.message);
}Т8
Т8
NL
Т8
Т8
[ CCode ( array_length = false , array_null_terminated = true ) ]
public string? read_line (out size_t length = null, Cancellable? cancellable = null) throws IOErrorТ8
EG
EG
def g(f):
return f()
EG
def g(f):
return f()
Т8
def g(f):
return f()
G