[rustc.git] / src / test / ui / never_type / exhaustive_patterns.stderr

error[E0005]: refutable pattern in local binding: `Either::B(_)` not covered
  --> $DIR/exhaustive_patterns.rs:20:9
   |
LL |     let Either::A(()) = foo();
   |         ^^^^^^^^^^^^^ pattern `Either::B(_)` not covered
   |
   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
note: `Either<(), !>` defined here
  --> $DIR/exhaustive_patterns.rs:12:5
   |
LL | enum Either<A, B> {
   |      ------
LL |     A(A),
LL |     B(inner::Wrapper<B>),
   |     ^ not covered
   = note: the matched value is of type `Either<(), !>`
help: you might want to use `if let` to ignore the variant that isn't matched
   |
LL |     if let Either::A(()) = foo() { todo!() }
   |     ++                           ~~~~~~~~~~~

error: aborting due to previous error

For more information about this error, try `rustc --explain E0005`.
Commit	Line	Data
487cf647 FG	1	error[E0005]: refutable pattern in local binding: `Either::B(_)` not covered
	2	--> $DIR/exhaustive_patterns.rs:20:9
	3	\|
	4	LL \| let Either::A(()) = foo();
	5	\| ^^^^^^^^^^^^^ pattern `Either::B(_)` not covered
	6	\|
	7	= note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
	8	= note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
	9	note: `Either<(), !>` defined here
	10	--> $DIR/exhaustive_patterns.rs:12:5
	11	\|
	12	LL \| enum Either<A, B> {
	13	\| ------
	14	LL \| A(A),
	15	LL \| B(inner::Wrapper<B>),
	16	\| ^ not covered
	17	= note: the matched value is of type `Either<(), !>`
	18	help: you might want to use `if let` to ignore the variant that isn't matched
	19	\|
	20	LL \| if let Either::A(()) = foo() { todo!() }
	21	\| ++ ~~~~~~~~~~~
	22
	23	error: aborting due to previous error
	24
	25	For more information about this error, try `rustc --explain E0005`.