Core Lib Documentation: Sqrt module (#6804)

Co-authored-by: enitrat <[email protected]>

corelib/src/num/traits/ops/sqrt.cairo

@@ -1,8 +1,18 @@
+//! Square root operation for unsigned numeric types.
+
 /// A trait for computing the square root of a number.
+///
+/// # Examples
+///
+/// ```
+/// use core::num::traits::Sqrt;
+///
+/// assert!(9_u8.sqrt() == 3);
+/// ```
 pub trait Sqrt<T> {
     /// The type of the result of the square root operation.
     type Target;
-    /// Compute the square root of a number.
+    /// Computes the square root of a number.
     fn sqrt(self: T) -> Self::Target;
 }