Add doc example for NulError.

rust-lang · Jun 20, 2017 · 4797d84 · 4797d84
1 parent e52d2f2
commit 4797d84
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/libstd/ffi/c_str.rs b/src/libstd/ffi/c_str.rs
@@ -152,6 +152,14 @@ pub struct CStr {
 /// in the vector provided.
 ///
 /// [`CString::new`]: struct.CString.html#method.new
+///
+/// # Examples
+///
+/// ```
+/// use std::ffi::{CString, NulError};
+///
+/// let _: NulError = CString::new(b"f\0oo".to_vec()).unwrap_err();
+/// ```
 #[derive(Clone, PartialEq, Eq, Debug)]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct NulError(usize, Vec<u8>);