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error[E0019]: constant contains unimplemented expression type
--> $DIR/infinite_loop.rs:20:9
|
LL | / while n != 0 { //~ ERROR constant contains unimplemented expression type
LL | | n = if n % 2 == 0 { n/2 } else { 3*n + 1 };
LL | | }
| |_________^
warning: Constant evaluating a complex constant, this might take some time
--> $DIR/infinite_loop.rs:16:18
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LL | let _ = [(); {
| __________________^
LL | | //~^ WARNING Constant evaluating a complex constant, this might take some time
LL | | //~| ERROR could not evaluate repeat length
LL | | let mut n = 113383; // #20 in https://oeis.org/A006884
... |
LL | | n
LL | | }];
| |_____^
error[E0080]: could not evaluate repeat length
--> $DIR/infinite_loop.rs:16:18
|
LL | let _ = [(); {
| __________________^
LL | | //~^ WARNING Constant evaluating a complex constant, this might take some time
LL | | //~| ERROR could not evaluate repeat length
LL | | let mut n = 113383; // #20 in https://oeis.org/A006884
LL | | while n != 0 { //~ ERROR constant contains unimplemented expression type
LL | | n = if n % 2 == 0 { n/2 } else { 3*n + 1 };
| | ---------- duplicate interpreter state observed here, const evaluation will never terminate
LL | | }
LL | | n
LL | | }];
| |_____^
error: aborting due to 2 previous errors
Some errors occurred: E0019, E0080.
For more information about an error, try `rustc --explain E0019`.
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