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-rw-r--r--fibonacci/.gitignore2
-rw-r--r--fibonacci/Cargo.lock4
-rw-r--r--fibonacci/Cargo.toml7
-rw-r--r--fibonacci/src/main.rs31
4 files changed, 44 insertions, 0 deletions
diff --git a/fibonacci/.gitignore b/fibonacci/.gitignore
new file mode 100644
index 0000000..53eaa21
--- /dev/null
+++ b/fibonacci/.gitignore
@@ -0,0 +1,2 @@
+/target
+**/*.rs.bk
diff --git a/fibonacci/Cargo.lock b/fibonacci/Cargo.lock
new file mode 100644
index 0000000..06aa71c
--- /dev/null
+++ b/fibonacci/Cargo.lock
@@ -0,0 +1,4 @@
+[[package]]
+name = "fibonacci"
+version = "0.1.0"
+
diff --git a/fibonacci/Cargo.toml b/fibonacci/Cargo.toml
new file mode 100644
index 0000000..60bf227
--- /dev/null
+++ b/fibonacci/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "fibonacci"
+version = "0.1.0"
+authors = ["Adam Carpenter <adam.carpenter@adp.com>"]
+edition = "2018"
+
+[dependencies]
diff --git a/fibonacci/src/main.rs b/fibonacci/src/main.rs
new file mode 100644
index 0000000..0b4f22b
--- /dev/null
+++ b/fibonacci/src/main.rs
@@ -0,0 +1,31 @@
+use std::env;
+
+fn fib(n: u32) -> u32 {
+
+ if n == 0 || n == 1 {
+ return n;
+ }
+ else {
+ return fib(n - 1) + fib(n - 2);
+ }
+
+}
+
+fn main() {
+ // grab iterations
+ let iterations: u32 = match env::args().nth(1) {
+ Some(s) => {
+ let attempt: u32 = s.trim().parse()
+ .expect("error: could not parse iterations");
+ attempt
+ },
+ None => {
+ eprintln!("error: usage: fibonacci [iterations]");
+ return;
+ },
+ };
+
+ for i in 0..iterations {
+ println!("{}", fib(i));
+ }
+}