readme: update for procedural macros in Rust 1.30

Rust 1.30 added support for attribute-like procedural macros, so Rust nightly is no longer necessary to use the `quickcheck` attribute macro in the `quickcheck_macros` crate. PR #231
BurntSushi · Feb 4, 2019 · 8ec8cb1 · 8ec8cb1
1 parent 231d07d
commit 8ec8cb1
Showing 1 changed file with 8 additions and 7 deletions.
diff --git a/README.md b/README.md
@@ -51,22  51,23 @@ mod tests {
 }
 ```
 
-This example uses the `quickcheck!` macro, which is available on stable Rust.
 This example uses the `quickcheck!` macro, which is backwards compatible with
 old versions of Rust.
 
-### The `#[quickcheck]` attribute (requires Rust nightly)
 ### The `#[quickcheck]` attribute (requires Rust 1.30 or later)
 
 To make it easier to write QuickCheck tests, the `#[quickcheck]` attribute
 will convert a property function into a `#[test]` function.
 
-To use the `#[quickcheck]` attribute, you must enable the `plugin` feature and
-import the `quickcheck_macros` crate as a syntax extension:
 To use the `#[quickcheck]` attribute, you must import the `quickcheck` macro
 from the `quickcheck_macros` crate:
 
 ```rust
-#![feature(plugin)]
-#![plugin(quickcheck_macros)]
-
 #[cfg(test)]
 extern crate quickcheck;
 #[cfg(test)]
 #[macro_use(quickcheck)]
 extern crate quickcheck_macros;
 
 #[cfg(test)]
 mod tests {