h.ignore_key_case = true # or whatever
globally for hashes requires a good bit of code to makeby sticking to access of options only it’s possible to
provide an easy way to do the normal thing in 98% of cases.
as the above two examples show though, a more general
approach involves making lots of choices about string/symbol
interaction. i actually do this in my own code but it’s
slippery and not for general consumption.
I thought AOP might be appropriate here, but I couldn’t make it work:
require ‘aspectr’
include AspectR
class SymAspect < Aspect
def pre(method, object, exit_status, *args)
puts “In the pre method”
args.map!{ |arg| arg.to_s.downcase }
end
end
SymAspect.new.wrap(Hash, :pre, nil, :[])
h = {‘foo’, 1, ‘bar’, 2}
h[‘foo’] # nothing - why?
(I posted a similar question on c.l.r. via Google G., btw)
Regardless of whether or not this is a bug, what do you think of AOP
as an approach to this issue?
Regards,
Dan
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