mirror of https://github.com/rust-lang/rust
71 lines
2.4 KiB
Plaintext
71 lines
2.4 KiB
Plaintext
note: no external requirements
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--> $DIR/propagate-approximated-shorter-to-static-comparing-against-free.rs:21:15
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LL | foo(cell, |cell_a, cell_x| {
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| ^^^^^^^^^^^^^^^^
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= note: defining type: case1::{closure#0} with closure args [
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i32,
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for<Region(BrAnon)> extern "rust-call" fn((std::cell::Cell<&'?1 u32>, std::cell::Cell<&'^0 u32>)),
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(),
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]
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error[E0521]: borrowed data escapes outside of closure
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--> $DIR/propagate-approximated-shorter-to-static-comparing-against-free.rs:22:9
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LL | foo(cell, |cell_a, cell_x| {
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| ------ ------ `cell_x` is a reference that is only valid in the closure body
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| |
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| `cell_a` declared here, outside of the closure body
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LL | cell_a.set(cell_x.get()); // forces 'x: 'a, error in closure
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| ^^^^^^^^^^^^^^^^^^^^^^^^ `cell_x` escapes the closure body here
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note: no external requirements
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--> $DIR/propagate-approximated-shorter-to-static-comparing-against-free.rs:18:1
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LL | fn case1() {
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| ^^^^^^^^^^
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= note: defining type: case1
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note: external requirements
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--> $DIR/propagate-approximated-shorter-to-static-comparing-against-free.rs:35:15
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LL | foo(cell, |cell_a, cell_x| {
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| ^^^^^^^^^^^^^^^^
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= note: defining type: case2::{closure#0} with closure args [
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i32,
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for<Region(BrAnon)> extern "rust-call" fn((std::cell::Cell<&'?1 u32>, std::cell::Cell<&'^0 u32>)),
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(),
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]
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= note: number of external vids: 2
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= note: where '?1: '?0
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note: no external requirements
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--> $DIR/propagate-approximated-shorter-to-static-comparing-against-free.rs:28:1
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LL | fn case2() {
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| ^^^^^^^^^^
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= note: defining type: case2
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error[E0597]: `a` does not live long enough
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--> $DIR/propagate-approximated-shorter-to-static-comparing-against-free.rs:30:26
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LL | let a = 0;
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| - binding `a` declared here
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LL | let cell = Cell::new(&a);
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| ----------^^-
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| | |
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| | borrowed value does not live long enough
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| argument requires that `a` is borrowed for `'static`
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...
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LL | }
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| - `a` dropped here while still borrowed
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error: aborting due to 2 previous errors
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Some errors have detailed explanations: E0521, E0597.
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For more information about an error, try `rustc --explain E0521`.
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