Remove feature(proc_macro_hygiene).

This is no longer needed since the latest Rust release.

Author: m-ou-se

README.md

@@ -5,7 +5,6 @@ Inline Python code directly in your Rust code.
 ## Example
 
 ```rust
-#![feature(proc_macro_hygiene)]
 use inline_python::python;
 
 fn main() {
@@ -22,8 +21,6 @@ fn main() {
 ## How to use
 
 Use the `python!{..}` macro to write Python code directly in your Rust code.
-You'll need to add `#![feature(proc_macro_hygiene)]`, and use a nightly
-version of the compiler that supports this feature.
 
 ### Using Rust variables
 

ct-python/examples/example.rs

@@ -1,5 +1,3 @@
-#![feature(proc_macro_hygiene)]
-
 use inline_python_macros::ct_python;
 
 ct_python! {

ct-python/src/lib.rs

@@ -3,7 +3,6 @@
 //! # Example
 //!
 //! ```
-//! #![feature(proc_macro_hygiene)]
 //! use ct_python::ct_python;
 //!
 //! static SIN_2: f64 = ct_python! {
@@ -27,9 +26,6 @@
 //! The output of the script (`print()` and anything else through `sys.stdout`)
 //! is captured, and will be parsed as Rust code.
 //!
-//! If you want to use the macro to generate an expression (as in the example),
-//! you'll need to add `#![feature(proc_macro_hygiene)]`.
-//!
 //! ## Python Errors
 //!
 //! Any syntax errors or runtime exceptions from the Python code will be

examples/context.rs

@@ -1,5 +1,3 @@
-#![feature(proc_macro_hygiene)]
-
 use inline_python::{python, Context};
 
 fn main() {

examples/matplotlib.rs

@@ -1,5 +1,3 @@
-#![feature(proc_macro_hygiene)]
-
 use inline_python::python;
 
 fn main() {

examples/rust-fn.rs

@@ -1,5 +1,3 @@
-#![feature(proc_macro_hygiene)]
-
 use inline_python::{python, Context};
 use pyo3::{prelude::*, wrap_pyfunction};
 

src/context.rs

@@ -7,7 +7,6 @@ use pyo3::{types::PyDict, AsPyRef, FromPyObject, Py, PyObject, PyResult, Python,
 /// This can be used to keep all global variables and imports intact between macro invocations:
 ///
 /// ```
-/// # #![feature(proc_macro_hygiene)]
 /// # use inline_python::{Context, python};
 /// let c = Context::new();
 ///
@@ -24,7 +23,6 @@ use pyo3::{types::PyDict, AsPyRef, FromPyObject, Py, PyObject, PyResult, Python,
 /// or set global variables before running:
 ///
 /// ```
-/// # #![feature(proc_macro_hygiene)]
 /// # use inline_python::{Context, python};
 /// let c = Context::new();
 ///
@@ -131,7 +129,6 @@ impl Context {
 	/// Use this with `pyo3::wrap_pyfunction` or `pyo3::wrap_pymodule`.
 	///
 	/// ```ignore
-	/// # #![feature(proc_macro_hygiene)]
 	/// # use inline_python::{Context, python};
 	/// use pyo3::{prelude::*, wrap_pyfunction};
 	///
@@ -171,7 +168,6 @@ impl Context {
 	/// This function should be called using the `python!{}` macro:
 	///
 	/// ```
-	/// # #![feature(proc_macro_hygiene)]
 	/// # use inline_python::{Context, python};
 	/// let c = Context::new();
 	///

src/lib.rs

@@ -3,7 +3,6 @@
 //! # Example
 //!
 //! ```
-//! #![feature(proc_macro_hygiene)]
 //! use inline_python::python;
 //!
 //! fn main() {
@@ -20,8 +19,6 @@
 //! # How to use
 //!
 //! Use the `python!{..}` macro to write Python code directly in your Rust code.
-//! You'll need to add `#![feature(proc_macro_hygiene)]`, and use a nightly
-//! version of the compiler that supports this feature.
 //!
 //! ## Using Rust variables
 //!
@@ -34,7 +31,6 @@
 //! The context can be re-used for multiple invocations to share global variables across macro calls.
 //!
 //! ```
-//! # #![feature(proc_macro_hygiene)]
 //! # use inline_python::{Context, python};
 //! let c = Context::new();
 //!
@@ -52,7 +48,6 @@
 //! in it.
 //!
 //! ```
-//! # #![feature(proc_macro_hygiene)]
 //! # use inline_python::{Context, python};
 //! let c: Context = python! {
 //!   foo = 5
@@ -70,7 +65,6 @@
 //! [`Context::get`].
 //!
 //! ```
-//! # #![feature(proc_macro_hygiene)]
 //! # use inline_python::{Context, python};
 //! let c: Context = python! {
 //!   foo = 5

tests/shared_context.rs

@@ -1,5 +1,3 @@
-#![feature(proc_macro_hygiene)]
-
 use inline_python::python;
 
 #[test]