1 #![deny(unused_macro_rules)]
2 // To make sure we are not hitting this
3 #![deny(unused_macros)]
8 (two) => { 2 }; //~ ERROR: 2nd rule of macro
10 (four) => { 4 }; //~ ERROR: 4th rule of macro
12 const _NUM: u8 = num!(one) + num!(three);
14 // Check that allowing the lint works
15 #[allow(unused_macro_rules)]
16 macro_rules! num_allowed {
22 const _NUM_ALLOWED: u8 = num_allowed!(one) + num_allowed!(three);
24 // Check that macro calls inside the macro trigger as usage
25 macro_rules! num_rec {
28 num_rec!(one) + num_rec!(one)
30 (three) => { //~ ERROR: 3rd rule of macro
31 num_rec!(one) + num_rec!(two)
33 (four) => { num_rec!(two) + num_rec!(two) };
35 const _NUM_RECURSIVE: u8 = num_rec!(four);
37 // No error if the macro is being exported
39 macro_rules! num_exported {
45 const _NUM_EXPORTED: u8 = num_exported!(one) + num_exported!(three);