[rustc.git] / src / test / ui / rfc-1937-termination-trait / termination-trait-test-wrong-type.stderr

error[E0277]: `main` has invalid return type `Result<f32, ParseFloatError>`
  --> $DIR/termination-trait-test-wrong-type.rs:6:1
   |
LL | / fn can_parse_zero_as_f32() -> Result<f32, ParseFloatError> {
LL | |     "0".parse()
LL | | }
   | |_^ `main` can only return types that implement `Termination`
   | 
  ::: $SRC_DIR/test/src/lib.rs:LL:COL
   |
LL |   pub fn assert_test_result<T: Termination>(result: T) {
   |                                ----------- required by this bound in `assert_test_result`
   |
   = help: the trait `Termination` is not implemented for `Result<f32, ParseFloatError>`
   = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to previous error

For more information about this error, try `rustc --explain E0277`.
Commit	Line	Data
6a06907d	1	error[E0277]: `main` has invalid return type `Result<f32, ParseFloatError>`
ba9703b0	2	--> $DIR/termination-trait-test-wrong-type.rs:6:1
83c7162d	3	\|
48663c56	4	LL \| / fn can_parse_zero_as_f32() -> Result<f32, ParseFloatError> {
83c7162d XL	5	LL \| \| "0".parse()
83c7162d XL	6	LL \| \| }
1b1a35ee	7	\| \|_^ `main` can only return types that implement `Termination`
e1599b0c	8	\|
3dfed10e	9	::: $SRC_DIR/test/src/lib.rs:LL:COL
e1599b0c XL	10	\|
e1599b0c XL	11	LL \| pub fn assert_test_result<T: Termination>(result: T) {
1b1a35ee	12	\| ----------- required by this bound in `assert_test_result`
83c7162d	13	\|
6a06907d	14	= help: the trait `Termination` is not implemented for `Result<f32, ParseFloatError>`
74b04a01	15	= note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
83c7162d XL	16
	17	error: aborting due to previous error
	18
	19	For more information about this error, try `rustc --explain E0277`.