Erlang

Steps to reproduce

Run asdf. In help output a line is printed for the asdf env command:

asdf env <command> [executable]      Prints or runs an executable under a command environment

I would assume <command> is an arbitrary command. But from what I can tell needs to be a plugin name or a shim name? I'm also not sure how this differs from executing the shim directly.

FY

Currently the Map type copies the entire set on each insertion. Change it to use structural sharing.

Using int hashcodes rather than strings would also be good

Elm, ReScript, or Immutable JS could be good references.

https://github.com/gleam-lang/stdlib/blob/3477ae008a46ffca6c79ee4f9ad8ec876d25ce31/src/gleam_stdlib.js#L269

Environment

• VerneMQ Version: 1.11.0
• OS:
  Distributor ID: Ubuntu
  Description: Ubuntu 18.04.5 LTS
  Release: 18.04
  Codename: bionic
• Erlang/OTP version (if building from source): 19
• VerneMQ configuration (vernemq.conf) or the changes from the default
• Cluster size/standalone:

Expected behaviour

Connection to Redis server running on unixsocket, configured within Lua scr

If a new Environment is created, processes inside of it will not have access to any command line arguments or environment variables by default. They need to be added to the ConfigEnv struct from which the Environment is created. Currently this is only possible from the host, but is not exposed as a [host function