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When suggesting field access which would encounter a method not found, do not suggest pinning when those methods are on `impl Pin` itself. ``` error[E0599]: no method named `get_ref` found for tuple `(BufReader<File>,)` in the current scope --> $DIR/missing-field-access.rs:11:15 | LL | let x = f.get_ref(); | ^^^^^^^ method not found in `(BufReader<File>,)` | help: one of the expressions' fields has a method of the same name | LL | let x = f.0.get_ref(); | ++ ``` instead of ``` error[E0599]: no method named `get_ref` found for tuple `(BufReader<File>,)` in the current scope --> $DIR/missing-field-access.rs:11:15 | LL | let x = f.get_ref(); | ^^^^^^^ method not found in `(BufReader<File>,)` | help: one of the expressions' fields has a method of the same name | LL | let x = f.0.get_ref(); | ++ help: consider pinning the expression | LL ~ let mut pinned = std::pin::pin!(f); LL ~ let x = pinned.as_ref().get_ref(); | ```
17 lines
708 B
Rust
17 lines
708 B
Rust
// Ensure that suggestions to search for missing intermediary field accesses are available for both
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// tuple structs *and* regular tuples.
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// Ensure that we do not suggest pinning the expression just because `Pin::get_ref` exists.
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// https://github.com/rust-lang/rust/issues/144602
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use std::{fs::File, io::BufReader};
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struct F(BufReader<File>);
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fn main() {
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let f = F(BufReader::new(File::open("x").unwrap()));
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let x = f.get_ref(); //~ ERROR E0599
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//~^ HELP one of the expressions' fields has a method of the same name
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let f = (BufReader::new(File::open("x").unwrap()), );
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let x = f.get_ref(); //~ ERROR E0599
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//~^ HELP one of the expressions' fields has a method of the same name
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}
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