Batista, Facundo wrote:
>[Casey Duncan]
>
>#- I find boolean arguments a general anti-pattern, especially given we
>#- have class methods. Why not use an alternate constructor like::
>#-
>#- pi =
>#- Decimal.rounded_to_context("3.1415926535897932384626433832795")
>
>This is a good idea to me.
>
>We all must decide which of the following is better:
>
> a) Decimal(number) # no context used
> Decimal(number, context)
>
> b) Decimal(number) # no context used
> Decimal.using_context(number, context)
>
>"number" can be string, int, etc., but NOT float. The issue with rounding at
>a defined position has nothing to do with context.
>
>
Don't forget that many financial applications use fixed scale and
precision as
their primary mechanism for specifying Decimal types. As such, it
would be very nice to have a constructor that took a literal representation
as well as scale and precision. While using context is sufficient, it will
be unintuitive and may present an undue burden on many users.
So-many-people-to-make-happy-ly,
-Kevin
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