[Issue 8006] Implement proper in-place-modification for properties

[d-bugmail--- via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=8006

Iain Buclaw  changed:

   What|Removed |Added

   Priority|P2  |P4

--

[Issue 8006] Implement proper in-place-modification for properties

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=8006

Mike  changed:

   What|Removed |Added

   See Also||https://issues.dlang.org/sh
   ||ow_bug.cgi?id=15231

--

[Issue 8006] Implement proper in-place-modification for properties

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=8006

Walter Bright  changed:

   What|Removed |Added

   See Also||https://issues.dlang.org/sh
   ||ow_bug.cgi?id=16187

--

[Issue 8006] Implement proper in-place-modification for properties

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=8006

--- Comment #6 from Mike  ---
An attempt at a partial implementation:
https://github.com/dlang/dmd/pull/7079/files

--

[Issue 8006] Implement proper in-place-modification for properties

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=8006

Mike  changed:

   What|Removed |Added

 CC||slavo5...@yahoo.com

--

[Issue 8006] Implement proper in-place-modification for properties

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=8006

mikey  changed:

   What|Removed |Added

 CC||abc.mi...@googlemail.com

--- Comment #5 from mikey  ---
As a beginner this is a source of some confusion for me. Ideally the
implementation details of a property vs a member variable should be transparent
to me as a user of a given object.




class Test {
private:
int _val, _val2;

public:

@property int val() { return _val; }
@property void val(int val) { _val = val; }

@property auto ref val2() { return _val2; }
}

void main() {

auto t = new Test;
//t.val += 100; // BAD - not an lvalue

t.val(t.val + 100); // probably preferable to misleading syntax

t.val2 += 200; // OK - but inconsistent

import std.stdio : writefln;
writefln("val: %d, val2: %d", t.val, t.val2);
}

~

--

[Issue 8006] Implement proper in-place-modification for properties

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=8006

greensunn...@gmail.com changed:

   What|Removed |Added

 CC||greensunn...@gmail.com

--- Comment #4 from greensunn...@gmail.com ---
Issue 16187 (bitmanip fields should be lvalues) depends on this. Has anyone
worked on implementing this lowering on the DMD frontend?

--

[Issue 8006] Implement proper in-place-modification for properties

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=8006

greensunn...@gmail.com changed:

   What|Removed |Added

 Blocks||16187

--

[Issue 8006] Implement proper in-place-modification for properties

[d-bugmail]

http://d.puremagic.com/issues/show_bug.cgi?id=8006


Jacob Carlborg d...@me.com changed:

   What|Removed |Added

 CC||d...@me.com


--- Comment #3 from Jacob Carlborg d...@me.com 2013-01-24 23:42:16 PST ---
Same thing if you do something like this:

foo.val.x = 3;

Needs to be rewritten to:

auto __tmp = foo.val;
__tmp.x = 3;
foo.val = __tmp;

-- 
Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email
--- You are receiving this mail because: ---

[Issue 8006] Implement proper in-place-modification for properties

[d-bugmail]

http://d.puremagic.com/issues/show_bug.cgi?id=8006


Jordan Miner jmin...@gmail.com changed:

   What|Removed |Added

 CC||jmin...@gmail.com


--- Comment #2 from Jordan Miner jmin...@gmail.com 2012-05-15 18:40:33 PDT ---
This bug might be a duplicate of bug 808, although @property didn't exist back
then. This bug has a more detailed description.

I would really like to see this implemented. Properties seem only
half-implemented to me if they don't support +=, -=, etc. operators.

-- 
Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email
--- You are receiving this mail because: ---

[Issue 8006] Implement proper in-place-modification for properties

[d-bugmail]

http://d.puremagic.com/issues/show_bug.cgi?id=8006


Stewart Gordon s...@iname.com changed:

   What|Removed |Added

 CC||wfunct...@hotmail.com


--- Comment #1 from Stewart Gordon s...@iname.com 2012-05-07 04:06:21 PDT ---
*** Issue 8056 has been marked as a duplicate of this issue. ***

-- 
Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email
--- You are receiving this mail because: ---