Modernize doc examples to use idiomatic Rust

README.md

@@ -21,17 +21,9 @@ memoffset = "0.6"
 
 These versions will compile fine with rustc versions greater or equal to 1.19.
 
-Add the following lines at the top of your `main.rs` or `lib.rs` files.
-
-```rust,ignore
-#[macro_use]
-extern crate memoffset;
-```
-
 ## Examples ##
 ```rust
-#[macro_use]
-extern crate memoffset;
+use memoffset::{offset_of, span_of};
 
 #[repr(C, packed)]
 struct Foo {

src/lib.rs

@@ -24,8 +24,7 @@
 //!
 //! ## Examples
 //! ```
-//! #[macro_use]
-//! extern crate memoffset;
+//! use memoffset::{offset_of, span_of};
 //!
 //! #[repr(C, packed)]
 //! struct HelpMeIAmTrappedInAStructFactory {
@@ -75,7 +74,7 @@ extern crate doc_comment;
 #[cfg(doctest)]
 doctest!("../README.md");
 
-/// Hiden module for things the macros need to access.
+/// Hidden module for things the macros need to access.
 #[doc(hidden)]
 pub mod __priv {
     #[doc(hidden)]

src/offset_of.rs

@@ -72,8 +72,7 @@ macro_rules! _memoffset_offset_from_unsafe {
 ///
 /// ## Examples
 /// ```
-/// #[macro_use]
-/// extern crate memoffset;
+/// use memoffset::offset_of;
 ///
 /// #[repr(C, packed)]
 /// struct Foo {
@@ -103,8 +102,7 @@ macro_rules! offset_of {
 ///
 /// ## Examples
 /// ```
-/// #[macro_use]
-/// extern crate memoffset;
+/// use memoffset::offset_of_tuple;
 ///
 /// fn main() {
 ///     assert!(offset_of_tuple!((u8, u32), 1) >= 0, "Tuples do not have a defined layout");

src/span_of.rs

@@ -59,8 +59,7 @@ macro_rules! _memoffset__compile_error {
 ///
 /// ## Examples
 /// ```
-/// #[macro_use]
-/// extern crate memoffset;
+/// use memoffset::span_of;
 ///
 /// #[repr(C)]
 /// struct Florp {