Hi Jeremy, On Sat, Mar 05, 2011 at 10:07:01AM +0000, Jeremy Hall wrote: > Does anyone know the exact priority of these operators? Its not > mentioned in the description of the extension as far as I can see. As I read the documentation in the gcc-sourcecode, they are the same precedence as "<", ">", "<=", ">=". They are relation operators and form a "relational-expression": (§5.9 in C++ standard, [expr.rel]) See line 6258-6296 in http://gcc.gnu.org/viewcvs/branches/gcc-4_5-branch/gcc/cp/parser.c?view=markup&revision=170622 relational-expression: shift-expression relational-expression < shift-expression relational-expression > shift-expression relational-expression <= shift-expression relational-expression >= shift-expression GNU Extension: relational-expression: relational-expression <? shift-expression relational-expression >? shift-expression HTH, Axel
