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error[E0599]: no method named `len` found for struct `A` in the current scope
--> $DIR/double-reference-ty-in-self-ty.rs:10:7
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LL | struct A;
| -------- method `len` not found for this struct
...
LL | fn len(self: &&A) {}
| --- the method is available for `&A` here
...
LL | A.len();
| ^^^ method not found in `A`
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= help: items from traits can only be used if the trait is implemented and in scope
= note: the following trait defines an item `len`, perhaps you need to implement it:
candidate #1: `ExactSizeIterator`
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0599`.
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