Parameterized module idioms
Sat Apr 17 11:39:04 CEST 2010
> The biggest 'advantage' of parametrized modules that I see is that you shift
> the burden of carrying state from a variable to a module name.
IMO this is also a disadvantage, but not specific to parametrized
modules: using variables for module references makes static analysis
harder (both in your head and in code).
For example, [unless you're doing some crazy rewriting tricks] it's
obvious which function this is calling:
This isn't so obvious:
Here you have to trace back to the definition of E to find out what
module it refers to.
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