Changeset 2ead704

Timestamp:

Jul 21, 2021, 1:57:58 PM (3 years ago)

Author:

Peter A. Buhr <pabuhr@…>

Branches:

ADT, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

9698690

Parents:

bf5eeb2

Message:

add comment stating assignment expression returns an rvalue for builtin ++?. ?++, --?, ?--

File:

• libcfa/prelude/builtins.c (modified) (2 diffs)

libcfa/prelude/builtins.c

@@ -10 +10 @@
 // Created On       : Fri Jul 21 16:21:03 2017
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Tue Jul 20 17:31:40 2021
-// Update Count     : 128
+// Last Modified On : Wed Jul 21 13:31:34 2021
+// Update Count     : 129
 //
 
@@ -77 +77 @@
 // implicit increment, decrement if += defined, and implicit not if != defined
 
+// C11 reference manual Section 6.5.16 (page101): "An assignment expression has the value of the left operand after the
+// assignment, but is not an lvalue." Hence, return a value not a reference.
 static inline {
         forall( T | { T ?+=?( T &, one_t ); } )