Merge pull request #1266 from SRetip/iter_tools_fix

READY : Iter tools fix

module/core/iter_tools/examples/iter_tools_trivial.rs

@@ -1,27 +1,35 @@
-//! qqq : write proper description
-
+//! This example demonstrates the usage of some standard and non-standard functions
+//! from the `iter_tools` crate. The `iter_tools` crate provides additional iterator
+//! methods beyond those provided by the standard library.
 #[ cfg( not( feature = "enabled" ) ) ]
 fn main() {}
 
 #[ cfg( feature = "enabled" ) ]
 fn main()
 {
+  // Importing functions from the `iter_tools` crate
   use iter_tools::*;
 
   /* standard functions */
+  // Creating a vector
   let vec = vec![ 5, 1, -2 ];
+  // Finding the minimum value in the vector
   let min = min( &vec );
   assert_eq!( *min.unwrap(), -2 );
 
   /* non standard functions */
+  // Creating another vector
   let vec = vec![ 5, 1, -2 ];
-  let added = vec![ "a", "b", "c" ];
+  // Initializing an empty vector to store the result
   let mut result = vec![];
-  let zipped = zip( &vec, &added );
-  for( left, right ) in zipped
+  // Reversing the vector using the `rev` function from `iter_tools`
+  let reversed = rev( &vec );
+  // Iterating over the reversed vector
+  for v in reversed
   {
-    result.push( ( *left, *right ) );
+    // Pushing the dereferenced value into the result vector
+    result.push( *v );
   }
-  assert_eq!( result, vec![ ( 5, "a" ), ( 1, "b" ), ( -2, "c" ) ] );
+  assert_eq!( result, vec![ -2, 1, 5, ] );
 
 }