Some days ago I stumbled upon an old issue on Rust’s GitHub repository. While the title of the issue is “should struct fields and array elements be dropped in reverse declaration order (a la C++)”, the discussion also extends to whether the current drop order should be stabilized. Surprising as it may seem, drop order in Rust is unspecified and could theoretically be changed in the future. However, there are use cases that require enforcing a given drop order (see, for instance, this SO...
