HaloO,
Damian Conway wrote:
At YAPC::EU I pointed out to Larry that we have an adverbial form that
defaults to true:
:foo
For orthogonality and clarity purposes this could also be written
:?foo
and one that defaults to false:
:!foo
but none that defaults to undef.
After rejecting my very reasonable suggestion of:
:¡foo
(;-) Larry then proposed that:
:foo()
should be identical to:
:foo(undef)
Yeah, but I think that the arrow form should then be
foo => undef
and not
foo => ()
because () should be a defined value that booleanizes to False,
numifies to 0 and stringifies to ''.
Regards, TSa.
--
"The unavoidable price of reliability is simplicity" -- C.A.R. Hoare
"Simplicity does not precede complexity, but follows it." -- A.J. Perlis
1 + 2 + 3 + 4 + ... = -1/12 -- Srinivasa Ramanujan
