1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
error_chain! {
    types {
        Error, ErrorKind, ResultExt;
    }

    foreign_links {
        Io(::std::io::Error);
    }

    errors {
        InvalidToolchainName(t: String) {
            description("invalid toolchain name")
            display("invalid toolchain name: '{}'", t)
        }
    }
}