Added advanced traits, types, functions.

2 files changed, 20 insertions, 0 deletions

diff --git a/advanced/adv-fn-closure/Cargo.toml b/advanced/adv-fn-closure/Cargo.toml
new file mode 100644
index 0000000..259562e
--- /dev/null
+++ b/advanced/adv-fn-closure/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "adv-fn-closure"
+version = "0.1.0"
+authors = ["Adam Carpenter <53hornet@gmail.com>"]
+edition = "2018"
+
+[dependencies]
diff --git a/advanced/adv-fn-closure/src/main.rs b/advanced/adv-fn-closure/src/main.rs
new file mode 100644
index 0000000..d31bd90
--- /dev/null
+++ b/advanced/adv-fn-closure/src/main.rs
@@ -0,0 +1,13 @@
+fn add_one(x: i32) -> i32 {
+    x + 1
+}
+
+fn do_twice(f: fn(i32) -> i32, arg: i32) -> i32 {
+    f(arg) + f(arg)
+}
+
+fn main() {
+    let answer = do_twice(add_one, 5);
+
+    println!("{}", answer);
+}