#4192: is_Blah functions: deprecate and then remove them from top level imports
------------------------+---------------------------------------------------
Reporter: jhpalmieri | Owner: mhansen
Type: defect | Status: new
Priority: minor | Milestone: sage-3.1.3
Component: misc | Keywords: imports
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Functions like {{{is_FractionField}}} should not be imported at the top
level, since they don't necessarily make sense mathematically, only
programmatically. Thus, situations like
{{{
sage: is_FractionField(FractionField(ZZ))
False
}}}
might confuse people.
See the discussion in #4149. I think the best solution, as propounded
there by cremona and robertwb, is to have {{{is_Blah}}} ''methods'' which
are, as much as possible, mathematically correct. In contrast,
{{{is_Blah}}} ''functions'' should be data-checks, existing primarily for
use in the code.
mhansen has volunteered to do at least some of this work.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4192>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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