Null type

Null type. Has only one instance, null

Direct parent types

NoData: Absence of data
Direct subtypes: 2

Methods

==(a:Null, b:Any) Source: stdlib.ngs:1493: Compare to null
Returns
false

==(a:Any, b:Null) Source: stdlib.ngs:1497: Compare to null
Returns
false

==(a:Null, b:Null) Source: stdlib.ngs:1501: Compare to null
Returns
true

Box(n:Null) Source: stdlib.ngs:2931

Convert null to Box (always EmptyBox)

Returns

EmptyBox

Example

Box(null) == EmptyBox()
Box(null).map(X*2).get()  # InvalidArgument exception (in "get()")

code(n:Null) Source: stdlib.ngs:5914: Convert null to NGS code that would produce null when executed.
Returns
Str

Str(n:Null) Source: stdlib.ngs:3374: Convert Null to string
Returns
the string "null"

StrForTable(x:Null) Source: autoload/Table.ngs:17: Internal method. Please do not use.

StrForTable(x:Null, width:Int) Source: autoload/Table.ngs:20: Internal method. Please do not use.