scoped chdir and similar patterns

[Jacob Carlborg]

On 2013-12-05 02:07, Timothee Cour wrote:
> A1.
>
> Is there a (clever?) way to achieve the following using a single
> function call?
>
> //does chdir
>
> void fun(){
> ...
>    string dir0=getcwd;  scope(exit) chdir(dir0);  chdir(dir);
> ...
> }
>
> //desired:
> void fun(){
> ...
>    chdir_scoped(dir);
> ...
> }

Delegates can be used as well:

chdir_scoped!({
     chdir(dir);
});

void chdir_scoped (alias block) ()
{
     string dir0=getcwd;
     scope(exit) chdir(dir0);
     block();
)

-- 
/Jacob Carlborg