From e53f4ccb5385b21edb55f534ab83a442792a337a Mon Sep 17 00:00:00 2001
From: laurens <miers132@gmail.com>
Date: Fri, 22 May 2020 16:45:58 +0200
Subject: [PATCH] Some enum example

---
 some_example/Cargo.toml  |  9 +++++++++
 some_example/src/main.rs | 21 +++++++++++++++++++++
 2 files changed, 30 insertions(+)
 create mode 100644 some_example/Cargo.toml
 create mode 100644 some_example/src/main.rs

diff --git a/some_example/Cargo.toml b/some_example/Cargo.toml
new file mode 100644
index 0000000..301fbe6
--- /dev/null
+++ b/some_example/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "some_example"
+version = "0.1.0"
+authors = ["laurens <miers132@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/some_example/src/main.rs b/some_example/src/main.rs
new file mode 100644
index 0000000..1b93b12
--- /dev/null
+++ b/some_example/src/main.rs
@@ -0,0 +1,21 @@
+fn plus_one(x: Option<i32>) -> Option<i32> {
+    match x {
+        None => None,
+	Some(i) => Some(i+1),
+    }
+}
+
+fn main() {
+    let x = 5;
+
+    println!("Val: {}, plus one: {}", x, plus_one(Some(x)).unwrap_or(1));
+
+    let x = Some(x);
+
+    println!("Val: {}, plus one: {}", x.unwrap(), plus_one(x).expect("Bad val"));
+
+    let x = None;
+
+    println!("Val of none with default of 1: {}", x.unwrap_or(1));
+    println!("Val of none with expect will panic: {}", x.expect("This will be panic because we have a None value"));
+}