mirror of https://github.com/rust-lang/rust.git
31 lines
652 B
Rust
31 lines
652 B
Rust
// run-pass
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// Test invoked `&self` methods on owned objects where the values
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// closed over do not contain managed values, and thus the boxes do
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// not have headers.
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trait FooTrait {
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fn foo(&self) -> usize;
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}
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struct BarStruct {
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x: usize
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}
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impl FooTrait for BarStruct {
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fn foo(&self) -> usize {
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self.x
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}
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}
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pub fn main() {
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let foos: Vec<Box<dyn FooTrait>> = vec![
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Box::new(BarStruct{ x: 0 }) as Box<dyn FooTrait>,
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Box::new(BarStruct{ x: 1 }) as Box<dyn FooTrait>,
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Box::new(BarStruct{ x: 2 }) as Box<dyn FooTrait>,
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];
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for i in 0..foos.len() {
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assert_eq!(i, foos[i].foo());
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}
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}
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