Test $crate

dtolnay · Mar 19, 2018 · edad180 · edad180
1 parent 7e0f9a3
commit edad180
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diff --git a/demo-hack-impl/src/lib.rs b/demo-hack-impl/src/lib.rs
@@ -4,7 +4,7 @@ extern crate proc_macro_hack;
 proc_macro_expr_impl! {
     /// Add one to an expression.
     pub fn add_one_impl(input: &str) -> String {
-        format!("1 + {}", input)
+        format!("$crate::ONE + {}", input)
     }
 }
 

diff --git a/demo-hack/src/lib.rs b/demo-hack/src/lib.rs
@@ -11,6 +11,8 @@ extern crate demo_hack_impl;
 #[doc(hidden)]
 pub use demo_hack_impl::*;
 
+pub const ONE: u8 = 1;
+
 proc_macro_expr_decl! {
     /// Add one to an expression.
     add_one! => add_one_impl