I would think that the "Deducing this" paper would supersede this idea, as methods with "object parameters" are currently proposed to disallow using the this keyword or implicitly looked up member variables within them, so a "var" parameter would be unambiguously the parameter and you'd have to access the member variable through something like "self.var".

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Wednesday, October 6th, 2021 at 1:26 PM, Phil Bouchard via Std-Proposals <std-proposals@lists.isocpp.org> wrote:

Yeah I agree.

On 10/6/21 12:26 PM, Lee Howes wrote:
Seems a bit much to make a language change just to allow member shadowing doesn't it? The following is no more typing heavy:

struct A

{

    int _var;

    void foo(int & var);

};

void A::foo(int & var)

{

    var = 1; // changes parameter

    _var = 2; // changes member variable

}


On Wed, 6 Oct 2021 at 09:04, Phil Bouchard via Std-Proposals <std-proposals@lists.isocpp.org> wrote:

Greetings,


This is just a minor syntactic adjustment but could fix a very long lasted problem.

Suppose you have:


struct A

{

    int var;

    void foo(int & var);

};


What I suggest is to add a prefix that could replace: "this->"

void A::foo(int & var)

{

    var = 1; // changes parameter

    .var = 2; // changes member variable

}


Regards,

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