Rollup merge of rust-lang#66346 - linkmauve:try-in-docstring, r=Dylan…

…-DPC Replace .unwrap() with ? in std::os::unix::net As people like to copy examples, this gives them good habits.
Centril · Dec 1, 2019 · 507a020 · 507a020
2 parents 4007d4e + be18a22
commit 507a020
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diff --git a/src/libstd/sys/unix/ext/mod.rs b/src/libstd/sys/unix/ext/mod.rs
@@ -15,11 +15,13 @@
 //! use std::fs::File;
 //! use std::os::unix::prelude::*;
 //!
-//! fn main() {
-//!     let f = File::create("foo.txt").unwrap();
+//! fn main() -> std::io::Result<()> {
+//!     let f = File::create("foo.txt")?;
 //!     let fd = f.as_raw_fd();
 //!
 //!     // use fd with native unix bindings
+//!
+//!     Ok(())
 //! }
 //! ```