Dan Sugalski wrote:I'm going to formally establish a basic set of parrot PMC classes. We're going to now have:
Undef - The undefined value. Looks like 0, 0.0, false, or the empty string, depending on how you peer at it. Can transform into any other type. Assignment of an boolean, integer, float, bignum, or string turns it into a PMC of type Boolean, Integer, Float, BigNum, or String.
Boolean - Basic true/false PMC
Integer - Basic integer.
Float - Basic floating point.
BigNum - Basic extended-precision number
String - Basic string
The Boolean, Integer, Float, BigNum, and String types (and yes, BigNum and String don't exist. Yet) maintain their types and autoconvert incoming data, Undef morphs itself to the destination type and goes from there.
Hi,
how about having complex numbers as another basic PMC?
At least QCL, http://tph.tuwien.ac.at/~oemer/qcl.html, C99 and PDL, http://pdl.perl.org/, have them as a basic type.
For right now I want to hold off--the basic PMC types all correspond to a low-level type, and we don't have a complex low-level type. We can think about complex numbers later on, probably as part of the library.
--
Dan
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