27 lines
1.0 KiB
Plaintext
27 lines
1.0 KiB
Plaintext
warning: unused variable: `old`
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--> $DIR/scope_callback_capture.rs:9:29
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9 | if let Some(old) = inner.take() {
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| ^^^ help: if this is intentional, prefix it with an underscore: `_old`
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= note: `#[warn(unused_variables)]` on by default
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error[E0521]: borrowed data escapes outside of closure
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--> $DIR/scope_callback_capture.rs:7:17
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5 | lua.scope(|scope| {
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| -----
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| |
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| `scope` declared here, outside of the closure body
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| `scope` is a reference that is only valid in the closure body
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6 | let mut inner: Option<Table> = None;
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7 | let f = scope
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| _________________^
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8 | | .create_function_mut(move |_, t: Table| {
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9 | | if let Some(old) = inner.take() {
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10 | | // Access old callback `Lua`.
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... |
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13 | | Ok(())
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14 | | })?;
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| |______________^ `scope` escapes the closure body here
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