Rollup merge of #32691 - frewsxcv:patch-28, r=alexcrichton

Indicate `None` is code-like in doc comment.
This commit is contained in:
Steve Klabnik 2016-04-06 12:12:08 -07:00
commit f7154b39ee

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@ -181,7 +181,7 @@ fn _var(key: &OsStr) -> Result<String, VarError> {
}
/// Fetches the environment variable `key` from the current process, returning
/// None if the variable isn't set.
/// `None` if the variable isn't set.
///
/// # Examples
///