borrowing_exerci 0.4.51

how to understand the borrowing in rust
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

// https://github.com/rust-lang/cargo/blob/master/tests/testsuite/run.rs
// https://github.com/rust-lang/cargo/issues/5365
// https://doc.rust-lang.org/cargo/reference/manifest.html#examples
// http://xion.io/post/code/rust-examples.html

fn run_bin_example() {
    let p = project()
        .file(
            "Cargo.toml",
            r#"
            [package]
            name = "foo"
            version = "0.0.1"
            [[example]]
            name = "bar"
            crate_type = ["bin"]
        "#,
        )
        .file("src/lib.rs", "")
        .file("examples/bar.rs", r#"fn main() { println!("example"); }"#)
        .build();

    p.cargo("run --example bar")
        .with_stderr(
            "\
[COMPILING] foo v0.0.1 ([CWD])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
[RUNNING] `target/debug/examples/bar[EXE]`",
        )
        .with_stdout("example")
        .run();
}