Re: [boost] [local] this_ or _this?

Subject: Re: [boost] [local] this_ or _this?
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2011-04-03 14:22:29

AMDG

On 04/03/2011 11:13 AM, Lorenzo Caminiti wrote:
> Boost.Local uses a special name `this_` to access the object `this`
> bound from the enclosing scope. Shall this name be `this_` or `_this`
> according to Boost practices?
>
> struct c {
>      void g(int x) { ... }
>      void f() {
>          void BOOST_LOCAL_FUNCTION_PARAMS( (int x) (bind this) ) {
>              this_->g(x); //<<<<<<<<<  Shall this be `_this->g(x);` instead?
>              ...
>          } BOOST_LOCAL_FUNCTIO_NAME(l)
>          ...
>      }
>      ...
> };
>
> In particular, some library uses _ postfix for statements like
> mpl::if_ (not mpl::_if) while other uses _ prefix for variables like
> phoenix::local_names::_f (not local_names::f_).
>

The convention is that _xxx is used for placeholders.
xxx_ is used when xxx is a keyword.

In Christ,
Steven Watanabe