diff options
Diffstat (limited to 'meap/meap-code/ch5/ch5-genfib/src/main.rs')
-rwxr-xr-x | meap/meap-code/ch5/ch5-genfib/src/main.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/meap/meap-code/ch5/ch5-genfib/src/main.rs b/meap/meap-code/ch5/ch5-genfib/src/main.rs new file mode 100755 index 0000000..e3c95e0 --- /dev/null +++ b/meap/meap-code/ch5/ch5-genfib/src/main.rs @@ -0,0 +1,17 @@ +extern crate num;
+
+use num::{Integer, Unsigned};
+
+fn fibonacci<T: Integer + Unsigned>(n: T) -> T {
+ match n {
+ 0 => 0,
+ 1 => 1,
+ _ => n + fibonacci(n-1),
+ }
+}
+
+fn main() {
+ let n = 10;
+ println!("{}", fibonacci(n as u16));
+ println!("{}", fibonacci(n as u64));
+}
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