Handle borrows of unions in NLL

rust-lang · Oct 5, 2017 · f57f001 · f57f001
1 parent bc430eb
commit f57f001
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diff --git a/text/2094-nll.md b/text/2094-nll.md
@@ -1563,6 +1563,8 @@ follows:
 
 - any loans whose region does not include P are killed;
 - if this is a borrow statement, the corresponding loan is generated;
+  - if the borrow contains a union field, loans are generated for all
+    prefixes of the union field;
 - if this is an assignment `lv = <rvalue>`, then any loan for some path P
   of which `lv` is a prefix is killed.