Merge commit 'b52fb5234cd7c11ecfae51897a6f7fa52e8777fc' into clippyup

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diff --git a/src/docs/string_from_utf8_as_bytes.txt b/src/docs/string_from_utf8_as_bytes.txt
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+++ b/src/docs/string_from_utf8_as_bytes.txt
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+### What it does
+Check if the string is transformed to byte array and casted back to string.
+
+### Why is this bad?
+It's unnecessary, the string can be used directly.
+
+### Example
+```
+std::str::from_utf8(&"Hello World!".as_bytes()[6..11]).unwrap();
+```
+
+Use instead:
+```
+&"Hello World!"[6..11];
+```
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