Merge #131

131: Remove outdated `extern crate` docs r=cuviper a=cuviper

bors r+

Co-authored-by: Josh Stone <[email protected]>

Author: bors[bot]

README.md

@@ -16,12 +16,6 @@ Add this to your `Cargo.toml`:
 num-bigint = "0.3"
 ```
 
-and this to your crate root:
-
-```rust
-extern crate num_bigint;
-```
-
 ## Features
 
 The `std` crate feature is enabled by default, and is mandatory before Rust

src/lib.rs

@@ -19,9 +19,6 @@
 //! ## Example
 //!
 //! ```rust
-//! extern crate num_bigint;
-//! extern crate num_traits;
-//!
 //! # fn main() {
 //! use num_bigint::BigUint;
 //! use num_traits::{Zero, One};
@@ -47,9 +44,6 @@
 //! It's easy to generate large random numbers:
 //!
 //! ```rust,ignore
-//! extern crate rand;
-//! extern crate num_bigint;
-//!
 //! use num_bigint::{ToBigInt, RandBigInt};
 //!
 //! let mut rng = rand::thread_rng();