Cleanups

Author: gavrie

examples/hello.rs

@@ -1,14 +1,8 @@
-//#[macro_use]
-//extern crate failure;
-
 #[macro_use]
 extern crate redismodule;
 
-use std::iter;
 use std::ffi::CString;
 
-//use failure::Error;
-
 use redismodule::{Context, Command, RedisResult, RedisError};
 
 fn hello_mul(_: &Context, args: Vec<String>) -> RedisResult {