Add comment to explain original byte reuse

Co-Authored-By: agrinman <agrinman@users.noreply.github.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/de/parse.rs b/src/de/parse.rs
index 3718c57..d1cd147 100644
--- a/src/de/parse.rs
+++ b/src/de/parse.rs
@@ -239,6 +239,8 @@ impl<'a> Parser<'a> {
             Cow::Borrowed(_) => {
                 match replaced {
                     Cow::Borrowed(_) => {
+                        // In this case, neither method made replacements, so we 
+                        // reuse the original bytes
                         let res = str::from_utf8(&self.inner[self.acc.0..self.acc.1 - 1])?;
                         Ok(Cow::Borrowed(res))
                     },