Update to Rust 2018

2 files changed, 3 insertions, 17 deletions

diff --git a/src/lib.rs b/src/lib.rs
index b0cf55e..e381fdd 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,8 +1,6 @@
 //! # Basic usage
 //!
 //! ```
-//! extern crate diskus;
-//!
 //! use std::path::PathBuf;
 //! use diskus::Walk;
 //!
@@ -12,11 +10,6 @@
 //! let size_in_bytes = walk.run();
 //! ```
 
-extern crate crossbeam_channel;
-extern crate humansize;
-extern crate num_cpus;
-extern crate rayon;
-
 pub mod walk;
 
-pub use walk::Walk;
+pub use crate::walk::Walk;
diff --git a/src/main.rs b/src/main.rs
index 84bb105..a79242f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,18 +1,11 @@
-#[macro_use]
-extern crate clap;
-extern crate crossbeam_channel;
-extern crate humansize;
-extern crate num_cpus;
-extern crate rayon;
-
 mod walk;
 
 use std::path::PathBuf;
 
-use clap::{App, AppSettings, Arg};
+use clap::{crate_name, crate_version, App, AppSettings, Arg};
 use humansize::{file_size_opts, FileSize};
 
-use walk::Walk;
+use crate::walk::Walk;
 
 fn print_result(size: u64, errors: &[walk::Err], verbose: bool) {
     if verbose {