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44 lines
1.3 KiB
Plaintext
44 lines
1.3 KiB
Plaintext
error: lifetime may not live long enough
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--> $DIR/suggest-lt-on-ty-alias-w-generics.rs:4:5
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LL | fn test(x: &i32) -> Lazy<i32> {
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| - let's call the lifetime of this reference `'1`
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LL | / Box::new(|| {
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LL | |
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LL | |
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LL | | *x
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LL | | })
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| |______^ returning this value requires that `'1` must outlive `'static`
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help: to declare that the trait object captures data from argument `x`, you can add a lifetime parameter `'a` in the type alias
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LL | type Lazy<'a, T> = Box<dyn Fn() -> T + 'a>;
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| +++ ~~
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error[E0373]: closure may outlive the current function, but it borrows `x`, which is owned by the current function
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--> $DIR/suggest-lt-on-ty-alias-w-generics.rs:4:14
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LL | Box::new(|| {
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| ^^ may outlive borrowed value `x`
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...
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LL | *x
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| -- `x` is borrowed here
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note: closure is returned here
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--> $DIR/suggest-lt-on-ty-alias-w-generics.rs:4:5
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LL | / Box::new(|| {
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LL | |
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LL | |
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LL | | *x
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LL | | })
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| |______^
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help: to force the closure to take ownership of `x` (and any other referenced variables), use the `move` keyword
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LL | Box::new(move || {
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| ++++
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0373`.
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