====== and ======

===== Description =====

The boolean 'and' function returns true if //both// of its two boolean arguments are true.

===== Function prototype =====

<code>
bool and <bool:arg1> <bool:arg2>
</code>


===== Arguments =====

^  Name  ^  Type  ^ Comment ^
|  //arg1//  |  bool  | The first boolean argument to be tested. |
|  //arg2//  |  bool  | The second boolean argument to be tested. |

===== Return value =====

True if both //arg1// and //arg2// are true, and false otherwise.

===== Example =====

<code>
// create two new boolean variables...
bool b1
bool b2

// ...and set one to true and one to false
set b1 true
set b2 false

// call 'and b1 b2', and pipe result to event log via echo
echo <zs:and b1 b2>
</code>

... the output of which is written to the event log by [[plugins:general:zeoscript:reference:functions:echo]] as:

<file>
false
</file>

===== Comments =====



==== Both arguments are evaluated ====

Unlike other languages such as C/C++, both arguments to the ''and'' function are always evaluated in ZeoScript, regardless of whether the answer can be determined from the first argument alone. 

===== See also =====

  * [[plugins:general:zeoscript:reference:functions:not]]
  * [[plugins:general:zeoscript:reference:functions:or]]
  * [[plugins:general:zeoscript:reference:functions:xor]]