Fix doc example

rust-lang · Mar 4, 2018 · 1a4aa1e · 1a4aa1e
1 parent bebc340
commit 1a4aa1e
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/libcore/ascii.rs b/src/libcore/ascii.rs
@@ -57,6 +57,7 @@ pub struct EscapeDefault {
 /// # Examples
 ///
 /// ```
+/// #![no_std]
 /// use core::ascii;
 ///
 /// let escaped = ascii::escape_default(b'0').next().unwrap();