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Wishful thinking
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Date: Wed, 17 Jan 1996 08:33:15 PST
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From: Joe Shaw <joeshaw@eskimo.com>
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I know I should have spoken out earlier, but I have 2 main suggestions
for LambdaMOO... These two reasons alone are pretty much the reason why I
use LPMOO...
Floating point numbers: They work just like integers, except a float
would be returned if 1 number in the expression was a float.
;2+2 => 4
;2.0+2 => 4.0
;2.0+2.0 => 4.0
tonum() would be adjusted to convert floats to integers (rounding up). A
new builtin, tofloat(), would do the same as tonum(), except change the
parameter to a FLOAT (type 5?)
The current builtins that do trig would return floating point numbers if
a floating point number was passed to it. Other useful builtins like
floor() (always rounding down) would be nice too.
Floating point numbers are the entire backing of our space system on
StarMOO. Without them, space would be very inaccurate.
Tables/dictionaries: Lists with indicies, or keys, other than integers.
For example:
a = {"a","b","c"}
a[1] => "a"
a = {"a" ~ "Letter A", "b" ~ "Letter B","c" ~ "Letter C"}
a[1] => E_TYPE
a["a"] = "Letter A"
For would have to be modified so that you could do:
for letter ~ string in (a)
endfor
Additionally, builtins such as tablekeys() and tablevalues():
tablekeys(a) => {"a","b","c"}
tablevalues(a) => {"Letter A","Letter B","Letter C"}
There should be other builtins as well for both types, but compatibility
with LPMOO would be best. Why am I asking all this from LambdaMOO? LPMOO
is great, but its slow. Thats because all MOO code has to be translated
to LPC and executed by DGD. While many of the non-interactive code has
been ported to LPC (most of out space system, $string_utils, and
$object_utils), the actual interaction has a significant delay. If floats
and tables were incorporated into Lambda, that would likely bring
together the best of both worlds.
Kudos Pavel and Rob!
Joe
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