mirror of https://github.com/rust-lang/rust
56 lines
2.1 KiB
Plaintext
56 lines
2.1 KiB
Plaintext
error: changes to closure capture in Rust 2021 will affect drop order
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--> $DIR/precise.rs:20:13
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LL | let c = || {
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| ^^
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...
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LL | let _t = t.0;
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| --- in Rust 2018, this closure captures all of `t`, but in Rust 2021, it will only capture `t.0`
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...
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LL | }
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| - in Rust 2018, `t` is dropped here, but in Rust 2021, only `t.0` will be dropped here as part of the closure
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= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html>
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note: the lint level is defined here
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--> $DIR/precise.rs:3:9
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LL | #![deny(rust_2021_incompatible_closure_captures)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: add a dummy let to cause `t` to be fully captured
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LL ~ let c = || {
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LL + let _ = &t;
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error: changes to closure capture in Rust 2021 will affect drop order
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--> $DIR/precise.rs:45:13
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LL | let c = || {
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| ^^
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...
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LL | let _x = u.0.0;
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| ----- in Rust 2018, this closure captures all of `u`, but in Rust 2021, it will only capture `u.0.0`
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LL |
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LL | let _x = u.0.1;
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| ----- in Rust 2018, this closure captures all of `u`, but in Rust 2021, it will only capture `u.0.1`
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LL |
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LL | let _x = u.1.0;
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| ----- in Rust 2018, this closure captures all of `u`, but in Rust 2021, it will only capture `u.1.0`
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...
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LL | }
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| -
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| |
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| in Rust 2018, `u` is dropped here, but in Rust 2021, only `u.0.0` will be dropped here as part of the closure
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| in Rust 2018, `u` is dropped here, but in Rust 2021, only `u.0.1` will be dropped here as part of the closure
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| in Rust 2018, `u` is dropped here, but in Rust 2021, only `u.1.0` will be dropped here as part of the closure
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= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html>
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help: add a dummy let to cause `u` to be fully captured
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LL ~ let c = || {
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LL + let _ = &u;
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error: aborting due to 2 previous errors
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