GitHub user sebbASF opened an issue:
https://github.com/apache/incubator-ponymail/issues/294
Bug: lua modules should define local functions only
Lua modules should not create or use global variables to avoid polluting
the caller's namespace.
The same applies to functions.
These should all be defined as local, then the only way to invoke them is
through the table returned by the require statement.
For example, at present lib/aaa.lua defines the function getRights and
returns the hash
{ rights = getRights }
So the result of
local aaa = require 'lib/aaa'
is the function callable as aaa.rights()
However the same function also callable as getRights().
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