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Working with local variables

RVERP

I have a few questions about working with local variables.

  1. I have a bunch of variables that are generated in my procedure. I want these variables to be local, is it able to do this after let has already been called?
  2. If I have a list pairs of symbols and values. Is it possible to use this list with let these symbols can be used as local variables?

    for example:
    procedure(makeSum(pairs) let(???????????? a+b))

    pairs=list(list('a 1) list('b 2))
    makeSum(pairs) => 3

    What should I put i place of ???????????? to make this work (if possible)?
Parents
    1. No, you can't do this.
    2. This seems a rather strange requirement. What exactly are you trying to do, because it doesn't make sense to me?
  • in reply to Andrew Beckett

    My problem is that I have pcell that uses an amount of variables that is generated from a pcell parameter. The number of these variables is dependant of the parameter and their symbol name is generated based on the content of the symbol. I want to use these generated symbols in the rest of my pcell code, but since they are not in the let (I don't know what variables will exist) they will be global.

    I don't know how a programmer would tackle this, since I'm only a layouter :) but I see now that auto generating symbols in pcell code is't really a good idea. I think I can better contain them in something like autoValues->value1, .... In this case autoValues is the only variable is "autoValues", that I can make a local variable at the start of my code.

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  • in reply to Andrew Beckett

    My problem is that I have pcell that uses an amount of variables that is generated from a pcell parameter. The number of these variables is dependant of the parameter and their symbol name is generated based on the content of the symbol. I want to use these generated symbols in the rest of my pcell code, but since they are not in the let (I don't know what variables will exist) they will be global.

    I don't know how a programmer would tackle this, since I'm only a layouter :) but I see now that auto generating symbols in pcell code is't really a good idea. I think I can better contain them in something like autoValues->value1, .... In this case autoValues is the only variable is "autoValues", that I can make a local variable at the start of my code.

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  • in reply to RVERP

    OK, seems a little unusual, but maybe having the "variables" in some structure (such as either a disembodied property list or maybe a table would make sense). You can always do:

    autoValues=makeTable('myValues nil)

    and then you can do:

    autoValues->value1=5.0

    which is identical to:

    autoValues['value1]=5.0

    Andrew

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