extern int x1f4_lead_expression (void *x1f4_expression, void *context);
x1f4_lead_expression function runs the logic of the
x1f4_expression expression in the
context evaluation context.
Only difference between
x1f4_link_expression is that
x1f4_lead_expression does not save
the result of expression evaluation.
If successful, the function returns
0. Non zero is returned for
Note that expression evaluation logic defines no failure conditions, other than function or operator evaluation failure.
See struct x1f4_function_type.
See Prefix Unary Operators.
See Infix Binary Operators.
See struct x1f4_operator_type.
context evaluation context is passed as the first argument to
function and operator logic evaluation routines. It is otherwise not