Null object: Difference between revisions

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=={{header|Jsish}}==
Like Javascript, Jsish has "'''undefined"''' and "'''null"'''. Unlike Javascript, null is not typed as '''object''', but '''null'''.
 
Jsish, with parameter typed functions, also allows '''void''' as a type spec, to indicate the parameter (of whatever type) may be omitted by a caller.
 
<lang javascript>/* null non value */
 
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