Has anybody used the srfi-4-comprehensions egg recently? I get this:
csi> (require-extension syntax-case srfi-4 srfi-4-comprehensions srfi-42)
csi> (vector-ec (nested (:range i 1 4) (:range j 1 4))
(cond ((fx< i j) 0.0) ((fx= i j) 1.0) (else 2.0)))
#(1.0 0.0 0.0 2.0 1.0 0.0 2.0 2.0 1.0)
csi> (f64vector-ec (nested (:range i 1 4) (:range j 1 4))
(cond ((fx< i j) 0.0) ((fx= i j) 1.0) (else 2.0)))
Error: invalid syntax: (:do i (let ((b 4)) (if (not (##core#check (and
(integer? b) (exact? b)))) (error "arguments of :range are not exact
integer " "(use :real-range?)" 0 b 1))) ((1 0)) (< 1 b) (let ()) #t
((+ 1 1)))