From 3e1853e4afc88b3c6a609adc0654af50daaf9ac3 Mon Sep 17 00:00:00 2001
From: Martin HART <martin-hart@protonmail.com>
Date: Sat, 7 Nov 2020 16:24:44 +0100
Subject: [PATCH] add documentation

---
 src/main.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main.rs b/src/main.rs
index 3475f8a..9d4bc34 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -59,6 +59,7 @@ fn create_hash_map(pool: &Vec<robot::Robot>, hash: &mut HashMap<robot::Position,
     }
 }
 
+/// Generate random instructions.
 fn gen_random_instructions() -> String {
     let mut rng = rand::thread_rng();
     let n = rng.gen_range(5, 10);