Rust1.63.0 hypotenuse__

YoungHaKim7 · Aug 17, 2022 · 0b51c00 · 0b51c00
1 parent 26518ae
commit 0b51c00
Showing 1 changed file with 3 additions and 9 deletions.
diff --git a/src/main.rs b/src/main.rs
@@ -1,24 +1,18 @@
-pub trait Hypot<T> {
-    fn hypot(self, b: T) -> f64;
-}
-
-impl<T> Hypot<T> for T
+pub fn hypot<T>(a: T, b: T) -> f64
 where
     T: core::ops::Mul<T, Output = T>
         + core::ops::Add<T, Output = T>
         + core::convert::Into<f64>
         + Copy,
 {
-    fn hypot(self, b: T) -> f64 {
-        (self * self + b * b).into().sqrt()
-    }
+    (a * a + b * b).into().sqrt()
 }
 
 fn main() {
     let x = 3.0_f64;
     let y = 4.0_f64;
     let c = x.hypot(y);
 
-    println!("hypo : {c}");
+    println!("hypot : {c}");
 }