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MathGroup Archive 2009

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Passing function arguments as lists of replacement rules

  • To: mathgroup at smc.vnet.net
  • Subject: [mg104661] Passing function arguments as lists of replacement rules
  • From: dnquark <dnquark at gmail.com>
  • Date: Fri, 6 Nov 2009 05:16:08 -0500 (EST)

I wish to (a) avoid having to pass a dozen parameters to a function
and have to deal with remembering which goes where and (b) retain the
flexibility in terms of adding new parameters.  It seems that a good
solution would be to pass my parameters as a structure with named
fields (this is how I do it in another system).  In Mathematica, I came up
with something like this:

foo[paramList_] := Module[{a,b,c},
{a,b,c} = {"a","b","c"}/.paramList;
{a,b,c}
]
sample usage: e.g.  foo[{"a"->1,"b"->2}]

My question to the group: is this a good solution?  Are there better
ways to achieve my goals?..
Thanks,
--Leo


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