Randy Lai

I finally have some times to read your patch. - All files share a common changelist, so that it is possible to trace back among all of them the history...

@ktaragorn has removed some of the key features of the original version. For example, the ability of saving the changes when the file is closed and support of multiple cursors...

`collections` does not use Rcpp at all. Not sure why you have those compilation flags. Did you modify the `.Renviron` file?

I am pretty sure you have messed up the compilation flags for R. Try running this to see what flags you have. ``` pkgbuild::compiler_flags() ```

Unfortunately, the dict object is not meant to be portable in such way. It is very easy to break things. We might need to encapsulate the whole closure in order...

Actually it isn't limited to this package. A lot of other packages are subjected to break if an object is serialised and deserialised under different versions.

It is expected though.

By the way, why you wanted to access the internal variables?

Let’s keep it open.

In PriorityQueue, the memory is first pre-allocated and the memory is reallocated and doubled if we hit the memory cap. While it's a bit memory inefficient, but we trade memory...