Text

README.md

@@ -58,7 +58,7 @@ This crate has the following features:
 
 -   `derive` (default): Enables the derive macro for the `Merge` trait using the
     `merge_derive` crate.
--   `num` (default): Enables the merge strategies in the `num` module that
+-   `num`: Enables the merge strategies in the `num` module that
     require the `num_traits` crate.
 -   `std` (default): Enables the merge strategies for the `hashmap` and `vec`
     that require the standard library. If this feature is not set,

src/lib.rs

@@ -24,7 +24,7 @@
 //!
 //! - `derive` (default):  Enables the derive macro for the `Merge` trait using the `merge_derive`
 //!   crate.
-//! - `num` (default): Enables the merge strategies in the `num` module that require the
+//! - `num`: Enables the merge strategies in the `num` module that require the
 //!   `num_traits` crate.
 //! - `std` (default): Enables the merge strategies in the `hashmap` and `vec` modules that require
 //!    the standard library.  If this feature is not set, `merge2` is a `no_std`.
@@ -153,9 +153,10 @@ pub trait Merge: Sized {
     fn merge(&mut self, other: &mut Self);
 }
 
-// Merge strategies applicable to any types
+/// Merge strategies applicable to any types
 pub mod any {
     /// Overwrite `left` with `right` regardless of their values. Sets `right` to a Default value.
+    /// Swap would be faster, if you don't need default.
     #[inline]
     pub fn overwrite<T: Default>(left: &mut T, right: &mut T) {
         *left = core::mem::take(right);