10.4.8 Array Attributes

The following attributes are defined for array values.

size

Gives an offset with the storage occupied by the complete array. Example:

(poke) [1,2,3]'size
96UL#b

length

Gives the number of elements stored in the array. Example:

(poke) [1,2,3]'length
3

mapped

Gives 1 if the array is mapped, 0 otherwise. Examples:

(poke) defvar a = [1,2,3]
(poke) defvar b = int[3] @ 0#B
(poke) a'mapped
0
(poke) b'mapped
1