Transform a function's body into a string for mixing in

[Dennis]

On Thursday, 20 June 2019 at 19:09:11 UTC, Emmanuelle wrote:
> Is there any trait or Phobos function for transforming a 
> function/delegate/lambda/whatever's body into a string suitable 
> for `mixin(...)`? For example:

See:
https://forum.dlang.org/post/kozwskltzidfnatbpjgb@forum.dlang.org

> If not, is there any way to do this _without_ using strings?

Depends on what you are trying to achieve with mixing in function 
body code. If you just want to execute the function code, you can 
just call it (obviously), so I assume you want dynamic scoping 
(that global variables are overridden by local variables from the 
caller) or something?