Equivalent to Python with Statement

[Daniel Kozak]

yes, for classes you can use scoped:

import std.stdio;
import std.typecons : scoped;
class A
{
    void saySomething()
    {
    writeln("Hi from A");
    }
    ~this()
    {
        writeln("Destruct A");
    }
}

void main()
{
    with(scoped!A())
    {
        saySomething();
        writeln("something");
    }
    writeln("Hello D");
}

On Tue, Feb 27, 2018 at 5:25 PM, Jonathan via Digitalmars-d-learn <
digitalmars-d-learn at puremagic.com> wrote:

> On Tuesday, 27 February 2018 at 16:18:43 UTC, Stefan Koch wrote:
>
>> On Tuesday, 27 February 2018 at 16:17:20 UTC, Jonathan wrote:
>>
>>> I know Python's `with` statement can be used to have an automatic close
>>> action:
>>> ```
>>>     with open("x.txt") as file:
>>>         #do something with file
>>>     #`file.close()` called automatically
>>> ```
>>>
>>> I know D's `with` statement does something different but is there some
>>> sort of equivalent?
>>>
>>
>> In this case with(File("bla"))
>> will do the same.
>>
>
> Oh really, cool.
>
> Is this just because the scope of the file variable will end and thus its
> `~this`?
>
>
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