Add changelog note for mmap change

newpavlov · newpavlov · commit 6829989cd49e · 2023-11-05T15:56:07.000+03:00
diff --git a/changelog/2127.changed.md b/changelog/2127.changed.md
@@ -0,0 +1 @@
+`mmap` function now accepts `F` instead of `Option<F>`

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	`1`	+`mmap` function now accepts `F` instead of `Option<F>`