Niladic

A function is niladic if it does not accept any arguments. For example:

∇ z←dealcard [1] z←? 52 ∇

This function would return a random number in the range 1 - 52, but it would not accept any argument. Such a function might be useful in the case of dealing a card in a game since the number of cards is always the same.

Some System functions are niladic in that they return a value, but you do not present them an argument. The ⎕TS function returns the current time stamp, that is, the current date and time, but you cannot give it a date or time in order to, for example, change the date or time.

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Key	`	1	2	3	4	5	6	7	8	9	0	-	=

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Alt	?	⍵	∊	⍴	§	↑	↓	⍳	○	π	←	→	⊢
Shift	Q	W	E	R	T	Y	U	I	O	P	{	}	\|
Key	q	w	e	r	t	y	u	i	o	p	[	]	\

Alt+Shift		∫	∂	⌻	⍢	⍙	⍤	⍫	⌷
Alt	⍺	⌈	⌊	∞	∇	∆	∘	‼	⎕	⍎	⍕
Shift	A	S	D	F	G	H	J	K	L	:	"
Key	a	s	d	f	g	h	j	k	l	;	'

Alt+Shift	⊆	⊇	χ			⍡	⍭			⊙
Alt	⊂	⊃	∩	∪	⊥	⊤	⍦	⍝	⍀	⌿
Shift	Z	X	C	V	B	N	M	<	>	?
Key	z	x	c	v	b	n	m	,	.	/

NARS 2000 Lang Tool Bar	←	→		+	-	×	÷	*	⍟	⌹	○	!	?	√		\|	⌈	⌊	⊥	⊤	⊣	⊢
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	⍳	∊	⍸	⍷	∪	∩	⊆	⊇	~	§	π	..		,	⍪	⍴	⌽	⊖	⍉
	/	\	⌿	⍀	⊙	¨	⍨	⍤	⍣	⍡	⍥	⍦	.	∘	⍠	‼	⌻	∂	∫		⍞	⎕	⍎	⍕
	⋄	⍝	∇	∆	⍙	_	⍺	⍵		¯	⍬	∞	∅
	Second Row						i j k			i j k l			g	p	r	v	x

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See Also
System Commands	System Variables and Functions	Operators

Niladic

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