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error[E0053]: method `from` has an incompatible type for trait
--> $DIR/issue-90444.rs:3:16
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LL | fn from(_: fn((), (), &mut ())) -> Self {
| ^^^^^^^^^^^^^^^^^^^ types differ in mutability
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= note: expected signature `fn(for<'a> fn((), (), &'a ())) -> A`
found signature `fn(for<'a> fn((), (), &'a mut ())) -> A`
help: change the parameter type to match the trait
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LL - fn from(_: fn((), (), &mut ())) -> Self {
LL + fn from(_: for<'a> fn((), (), &'a ())) -> Self {
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error[E0053]: method `from` has an incompatible type for trait
--> $DIR/issue-90444.rs:11:16
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LL | fn from(_: fn((), (), u64)) -> Self {
| ^^^^^^^^^^^^^^^ expected `u32`, found `u64`
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= note: expected signature `fn(fn((), (), u32)) -> B`
found signature `fn(fn((), (), u64)) -> B`
help: change the parameter type to match the trait
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LL - fn from(_: fn((), (), u64)) -> Self {
LL + fn from(_: fn((), (), u32)) -> Self {
|
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0053`.
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