Nyquist / XLISP 2.0 -
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=
Type: |
- |
function (subr) |
Source: |
- |
xlmath.c |
Syntax
- (= expr1 expr2 ...)
- exprN - a numeric expression
returns - T if the results of
comparing the expressions are all true,
NIL otherwise
Description
The '=' [equality] function takes an arbitrary number of
numeric arguments. It checks to see if all the numbers are
equal. T is returned if all of the arguments
are numerically equal to each other, NIL is returned
otherwise.
Examples
(= 1 1) => T
(= 1 2) => NIL
(= 1 1.0) => T
(= 1 1.0 1 (+ 0 1)) => T
(= 1 1.0 1.00001) => NIL
(= "a" "b") => error: bad argument type
(setq a 1 b 1.0) => 1.0 ; set up A and B with values
(= a b) => T
See setq.
See also:
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Nyquist / XLISP 2.0 -
Contents |
Tutorials |
Examples |
Reference