Merge pull request rust-lang#140 from brauliobz/grammar_return_expr

Return expression grammar
dlrobertson · Oct 16, 2017 · 69252ba · 69252ba
2 parents 764a573 + 07eed14
commit 69252ba
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/expressions/return-expr.md b/src/expressions/return-expr.md
@@ -1,5 +1,9 @@
 # `return` expressions
 
+> **<sup>Syntax</sup>**  
+> _ReturnExpression_ :  
+> &nbsp;&nbsp; `return` [_Expression_]<sup>?</sup>  
+
 Return expressions are denoted with the keyword `return`. Evaluating a `return`
 expression moves its argument into the designated output location for the
 current function call, destroys the current function activation frame, and
@@ -15,3 +19,5 @@ fn max(a: i32, b: i32) -> i32 {
     return b;
 }
 ```
+
+[_Expression_]: expressions.html