fourth

Author: AndyGauge

src/about.md

@@ -57,6 +57,7 @@ Consider this example for "generate random numbers within a range":
 [![rand-badge]][rand] [![cat-science-badge]][cat-science]
 
 ```rust,edition2018
+extern crate rand;
 use rand::Rng;
 
 fn main() {

src/algorithms/randomness/rand-range.md

@@ -20,7 +20,7 @@ This has the same effect, but may be faster when repeatedly generating numbers
 in the same range.
 
 ```rust,edition2018
-
+extern crate rand;
 use rand::distributions::{Distribution, Uniform};
 
 fn main() {

src/compression/tar/tar-decompress.md

@@ -8,7 +8,8 @@ named `archive.tar.gz` located in the current working directory
 to the same location.
 
 ```rust,edition2018,no_run
-
+extern crate flate2;
+extern crate tar;
 use std::fs::File;
 use flate2::read::GzDecoder;
 use tar::Archive;

src/encoding/complex/toml.md

@@ -33,6 +33,7 @@ fn main() -> Result<(), Error> {
 Parse TOML into your own structs using [Serde].
 
 ```rust,edition2018
+extern crate toml;
 use serde::Deserialize;
 
 use toml::de::Error;

src/file/read-write/same-file.md

@@ -8,7 +8,7 @@ to be written to are tested for equality.
 
 ```rust,edition2018
 extern crate same_file;
-use same_file::is_same_file;
+use same_file::{is_same_file, Handle};
 use std::fs::File;
 use std::io::{BufRead, BufReader, Error, ErrorKind};
 use std::path::Path;
@@ -36,14 +36,4 @@ fn main() -> Result<(), Error> {
 }
 ```
 
-```bash
-cargo run
-```
-displays the contents of the file new.txt.
-
-```bash
-cargo run >> ./new.txt
-```
-errors because the two files are same.
-
-[`same_file::Handle`]: https://docs.rs/same-file/*/same_file/struct.Handle.html
+```