Hello,
I need extensible records, and the code below seems to
work. Are there any pitfall that I should be aware of?
Could this mess up the GC?
# type t0 = { a : int };
# type t1 = { a2 : int; b : int };
# value x1 = { a2 = 3; b = 5 };
# value x0 : t0 = Obj.magic x1;
value x0 = { a = 3 }
# value x0' : t1 = Obj.magic x0;
value x0' = { a2 = 3; b = 5 }
(supposedly t1 is an extension of t0). The types are
being generated by a program, so I am not worried about
actually having to _write_ this myself.
Thanks!
N
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