5.1.28 ERROR

Syntax:

ERROR ( string_expression )

Type:

none

Purpose:

Immediately interrupts the current computation, returns to the top-level, and displays the argument string_expression as error message.

Note:

This should be used as an emergency, resp. failure, exit within procedures.

Example:

int i=1; proc myError() {ERROR("Need to leave now");i=2;} myError(); ==> ? Need to leave now ==> ? leaving ::myError i; ==> 1