ALPHA-VISION® Compare Operations: IsEqual

IsEqual

SUMMARY

IsEqual - compares arguments from the left to the right for EQUAL:

SYNTAX

IsEqual(<arg1, arg2, ...>);

ARGUMENTS

arg1, argN (type:any)

IsEqual can work on arbitrary arguments. If the arguments are of different type the result is unknown.

DESCRIPTION

1. Missing arguments are taken from the stack.(and removed from there).
2. The result is pushed onto the stack.

IsEqual compares arguments from the left to the right for EQUAL:
arg1 == arg2 == arg3 == ... == argN

EXAMPLES

//Stack before (1 Element):
//"abc" //converted to 0 
IsEqual(,2);
//Stack afterwards: (1 Element):
//false

//Stack before (2 Elements):
//2,0
//"2"
IsEqual(,2,);
//Stack afterwards: (1 Element):
//true

---

Syntax Notation

[aaa]

aaa is optional (zero or one occurences)

(aaa|bbb)

aaa exclusive or bbb

(aaa)*

aaa may occur indefinitely often or may be omitted

(aaa)+

aaa may occur indefinitely often but at least once

(aaa)m..n

aaa may occur from m to n times