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-rw-r--r--src/librustc_error_codes/error_codes/E0699.md6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/librustc_error_codes/error_codes/E0699.md b/src/librustc_error_codes/error_codes/E0699.md
index f90fd3b5624..454d2507e5e 100644
--- a/src/librustc_error_codes/error_codes/E0699.md
+++ b/src/librustc_error_codes/error_codes/E0699.md
@@ -1,14 +1,16 @@
 A method was called on a raw pointer whose inner type wasn't completely known.
 
-For example, you may have done something like:
+Erroneous code example:
 
-```compile_fail
+```compile_fail,edition2018,E0699
 # #![deny(warnings)]
+# fn main() {
 let foo = &1;
 let bar = foo as *const _;
 if bar.is_null() {
     // ...
 }
+# }
 ```
 
 Here, the type of `bar` isn't known; it could be a pointer to anything. Instead,