Enumerate - kevinlawler/kona GitHub Wiki

!x x:int is the enumeration of an int atom, i.e., the ints n where 0 <= n < x.

  !0
!0
  !10
0 1 2 3 4 5 6 7 8 9
  !15
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14

!x x:int_vector is odometer.

  !2 3
(0 0
 0 1
 0 2
 1 0
 1 1
 1 2)

!x x:char enumerates the files in the directory x: the output from "ls (x)".

  !"/"
("altroot"
 "bak"
 "bin"
 "boot"
 "bsd"
 "bsd.rd"
 "bsd.sp"
 "dev"
 "etc"
 "home"
 "mnt"
 "proc"
 "root"
 "sbin"
 "share"
 "sys"
 "tmp"
 "usr"
 "var"
 "vc")

!x x:dict enumerates the key in a dictionary.

  d:.()
.()
  d.foo:23
23
  d.bar:!10
0 1 2 3 4 5 6 7 8 9
  d
.((`foo;23;)
  (`bar
   0 1 2 3 4 5 6 7 8 9
   ))
  !d
`foo `bar