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[Caml-list] default values for record field definitions
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Date: -- (:)
From: Ian Zimmerman <itz@s...>
Subject: Re: [Caml-list] default values for record field definitions

Alexander> Why not to introduce a syntax for default values of record
Alexander> fields:

Alexander> type rec1 = { attr1: type1 = val1; attr2: type2; attr3:
Alexander> type3 = val3 }

Alexander> It this case constructions of the form

Alexander> let x = { attr2 = val2 } are possible, with other fields
Alexander> filled by val1, val3.

type rec1 = { attr1: type1; attr2: type2; attr3: type3 };
let rec1_default = { attr1 = val1; attr2 = val2; attr3 = val3 } in
let x = { rec1_default with
        attr2 = val2'
and ...

BTW, I couldn't find this in the manual!

Ian Zimmerman, Oakland, California, U.S.A.
EngSoc adopts market economy: cheap is wasteful, efficient is expensive.
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