From 881d42dccbc8967ae0b328ce44d1b529a8d49221 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Gr=C3=A9gory=20Burri?= <gregory.burri@matisa.ch>
Date: Thu, 16 Jul 2020 11:50:47 +0200
Subject: [PATCH] Update dependencies and readme

---
 Cargo.toml  |  8 ++++----
 README.md   | 24 ++++++++++++++++++++++++
 src/main.rs | 11 ++++++++---
 3 files changed, 36 insertions(+), 7 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 40784cc..292bbbd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,8 +7,8 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-itertools = "0.8"
-threadpool = "1.7"
+itertools = "0.9"
+threadpool = "1.8"
 regex = "1"
-num = "0.2"
-num_enum = "0.4"
\ No newline at end of file
+num = "0.3"
+num_enum = "0.5"
\ No newline at end of file
diff --git a/README.md b/README.md
index d438ab1..f6047d0 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,27 @@
 # AdventOfCode2019
 
 https://adventofcode.com/2019
+
+
+# Running tests
+
+Example for day 1 tests:
+
+~~~
+cargo test day01 -- --nocapture
+~~~
+
+All tests:
+
+~~~
+cargo test -- --nocapture
+~~~
+
+
+# Running a day code
+
+~~~
+cargo run -- n
+~~~
+
+Where 'n' is a number from 1 to 25
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 8c2f600..f249fb7 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -197,9 +197,14 @@ fn main() {
         println!("Time to execute all days: {}", format_micros(now.elapsed().as_micros()));
     } else {
         for arg in args {
-            let day = arg.parse::<usize>().unwrap();
-            if day > days.len() { panic!("Unknown day: {}", day) }
-            do_day(&days, day)
+            match arg.parse::<usize>() {
+                Ok(day) if day >= 1 && day <= days.len() =>
+                    do_day(&days, day),
+                Ok(day) =>
+                    println!("Unknown day: {}", day),
+                Err(error) =>
+                    println!("Unable to parse day number: \"{}\", error: {}", arg, error)
+            }
         }
     }
 }
-- 
2.45.2