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trait Bazinga {}
impl<F> Bazinga for F {}
fn produce1<'a>(data: &'a u32) -> impl Bazinga + 'a {
let x = move || {
let _data: &'a u32 = data;
};
x
}
fn produce2<'a>(data: &'a mut Vec<&'a u32>, value: &'a u32) -> impl Bazinga + 'a {
let x = move || {
let value: &'a u32 = value;
data.push(value);
};
x
}
fn produce3<'a, 'b: 'a>(data: &'a mut Vec<&'a u32>, value: &'b u32) -> impl Bazinga + 'a {
let x = move || {
let value: &'a u32 = value;
data.push(value);
};
x
}
fn produce_err<'a, 'b: 'a>(data: &'b mut Vec<&'b u32>, value: &'a u32) -> impl Bazinga + 'b {
let x = move || {
let value: &'a u32 = value;
data.push(value); //~ ERROR lifetime may not live long enough
};
x
}
fn main() {}
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