1 // aux-build:proc_macro_derive.rs
4 #![warn(clippy::nonstandard_macro_braces)]
6 extern crate proc_macro_derive;
11 #[derive(proc_macro_derive::DeriveSomething)]
14 proc_macro_derive::foo_bar!();
26 format_args!($($arg)*)
30 macro_rules! type_pos {
36 macro_rules! printlnfoo {
38 println!("{}", $thing)
44 let _ = vec! {1, 2, 3};
45 let _ = format!["ugh {} stop being such a good compiler", "hello"];
46 let _ = matches!{{}, ()};
47 let _ = quote!(let x = 1;);
48 let _ = quote::quote!(match match match);
49 let _ = test!(); // trigger when macro def is inside our own crate
52 let _ = quote::quote! {true || false};
53 let _ = vec! [0 ,0 ,0];
54 let _ = format!("fds{}fds", 10);
55 let _ = test2!["{}{}{}", 1, 2, 3];
57 let _: type_pos!(usize) = vec![];
59 eprint!("test if user config overrides defaults");
61 printlnfoo!["test if printlnfoo is triggered by println"];