git

commit 210b064e7f56974a6da4418df8b0037a5631ed30
parent 06eef87dfd925f237de02006ebb7c070440743b1
Author: Luís Ferreira <[email protected]>
Date:   Mon, 22 Nov 2021 13:38:43 +0000

posts: Amend 'Zettelkasten #1: Classes in D with betterC'

As suggested by Stanislav Blinov in dlang forum [1]. This also adds a side note
about the presented example.

[1]: https://forum.dlang.org/post/[email protected]

Signed-off-by: Luís Ferreira <[email protected]>

Diffstat:
M
content/posts/zet-1-classes-betterc-d.md
 | 
19
+++++++++++--------

1 file changed, 11 insertions(+), 8 deletions(-)
diff --git a/content/posts/zet-1-classes-betterc-d.md b/content/posts/zet-1-classes-betterc-d.md
@@ -74,20 +74,20 @@ T alloc(T, Args...)(auto ref Args args)
         return _t;
     } ();
     if(!t) return null;
-    t.__ctor(args);
+    import core.lifetime : forward;
+    t.__ctor(forward!args);
 
     return t;
 }
 
 void destroy(T)(ref T t)
 {
-    static if (__traits(hasMember, T, "__dtor"))
-        t.__dtor();
-    () @trusted {
-        import core.memory : pureFree;
-        pureFree(cast(void*)t);
-    }();
-    t = null;
+    static if (__traits(hasMember, T, "__xdtor"))
+        t.__xdtor();
+    import core.memory : pureFree;
+    pureFree(cast(void*)t);
+    static if (__traits(compiles, { t = null; }))
+        t = null;
 }
 ```
 
@@ -119,3 +119,6 @@ extern(C) int main()
     return 0;
 }
 ```
+
+Please note that I haven't covered every corner case about classes with this
+example.