/**
* Implements the CFML Function left
*/
package railo.runtime.functions.string;
import railo.runtime.PageContext;
import railo.runtime.exp.ExpressionException;
import railo.runtime.ext.function.Function;
public final class Left implements Function {
public static String call(PageContext pc , String str, double number) throws ExpressionException {
int len=(int) number;
if(len<1) throw new ExpressionException("parameter 2 of the function left must be a positive number now ["+len+"]");
if(len>=str.length()) return str;
return str.substring(0,len);
}
}