When using array-slice-ref from math/array I get different results when
executing it #lang typed/racket or #lang racket (see below). The typed/racket
result is consistent with the documentation, the untyped one seems to be wrong.
Berthold
#lang typed/racket
(require math/array)
(define arr
(array
#[#[#["000" "001" "002" "003"]
#["010" "011" "012" "013"]
#["020" "021" "022" "023"]]
#[#["100" "101" "102" "103"]
#["110" "111" "112" "113"]
#["120" "121" "122" "123"]]]))
(array-slice-ref arr (list 0 ::…))
computes to:
(array #[#["000" "001" "002" "003"] #["010" "011" "012" "013"] #["020" "021"
"022" "023"]])
wheras:
#lang racket
(require math/array)
(define arr
(array
#[#[#["000" "001" "002" "003"]
#["010" "011" "012" "013"]
#["020" "021" "022" "023"]]
#[#["100" "101" "102" "103"]
#["110" "111" "112" "113"]
#["120" "121" "122" "123"]]]))
(array-slice-ref arr (list 0 ::…))
computes to:
(array #[])
--
-----------------------------------------------------------------------
Berthold Bäuml -- Head of Autonomous Learning Robots Lab
DLR, Robotics and Mechatronics Center (RMC)
Münchner Str. 20, D-82234 Wessling
Phone +49 8153 282489
http://www.robotic.de/Berthold.Baeuml
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