Given a module which has been previously loaded and is assigned to an alias
mod, box::unload(mod) unloads it; box::reload(mod)
unloads and reloads it from its source. box::purge_cache() marks all
modules as unloaded.
box::unload(mod)box::reload(mod)
box::purge_cache()
These functions are called for their side effect. They do not return anything.
a module object to be unloaded or reloaded
Unloading a module causes it to be removed from the internal cache such that
the next subsequent box::use declaration will reload the module from
its source. box::reload unloads and reloads the specified modules and
all its transitive module dependencies. box::reload is not
merely a shortcut for calling box::unload followed by box::use,
because box::unload only unloads the specified module itself, not any
dependent modules.
box::use, module hooks