2013/1/25 Adam Wilson <flyboynw@gmail.com>
On Thu, 24 Jan 2013 17:15:09 -0800, kenji hara <k.hara.pg@gmail.com> wrote:

1. Optional parentheses for normal functions should work shallowly IMO.
2. Optional parentheses for property functions should not work. Applying ()
for property function name always applied to its returned value.

#1 is a ratification of current behavior. It allows the combination of UFCS
and removing redundant ()s.
#2 is a breaking change. If we need it, community consent is required.

Kenji Hara

I can completely agree with this change. It is perfectly workable to fix properties without changing optional parens. I just won't use them :-P

I have thought an additional idea.
If we really want a feature to disable optional parentheses for normal functions, we can add @function attribute to the language spec.

int foo();
@property int bar();
@function int baz();  // new!

int x1 = foo();  // ok
int x2 = foo;  // optional parentheses, allowed
int y1 = bar();  // disallowed, calling int is meaningless
int y2 = bar;  // ok
int z1 = baz();  // ok
int z2 = baz;  // *disallowed* by @function attribute

How about?

Kenji Hara