The name of an associative array.key
A string to be matched against the key names in the given associative array.
Matches a key name in a given associative array.
The name of an associative array.key
A string to be matched against the key names in the given associative array.
A value indicating success or failure of the match.
 0
| Indicates the string matches the key name in the associative array. |
| 0 | Indicates no match is found. |
asar1 = ASARR('byte', 1B, 'float', 2.2, 'string', '3.3', $
'struct', {,a:1, b:lindgen(2)})
IF ISASKEY(asar1, 'struct') THEN asar1('struct') = 0
INFO, asar1, /Full
ASAR1 AS. ARR = Associative Array(4)
byte BYTE = 1
struct INT = 0
float FLOAT = 2.20000
string STRING = '3.3'
