path-clarity: Document how to test the uniform paths variant.

rust-lang-cn · Aug 14, 2018 · 840a4b3 · 840a4b3
1 parent 94e251a
commit 840a4b3
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diff --git a/src/rust-2018/path-clarity.md b/src/rust-2018/path-clarity.md
@@ -19,6 +19,10 @@ sections call out the differences between the two. We encourage testing of the
 new "uniform paths" variant introduced in edition preview 2. The release of
 Rust 2018 will stabilize one of these two variants and drop the other.
 
+To test Rust 2018 with the new "uniform paths" variant, put
+`#![feature(rust_2018_preview,uniform_paths)]` at the top of your `lib.rs` or
+`main.rs`.
+
 Here's a brief summary:
 
 * `extern crate` is no longer needed