In the 2018 release of ColdFusion, we have introduced new Built-In Functions(BIF) to manipulate different objects using a single line invocation.

• Query Functions
  • QueryDeleteRow( Object query, int rowNum )
  • QueryDeleteColumn( Object query, String columnName)
• Arrays Functions
  • ArrayFirst(List list)
  • ArrayLast(List list)
• XML Functions
  • XmlIsEmpty( XmlNodeList xmlNodeList )
  • XmlCount( XmlNodeList xml )
  • XmlAppend( XmlNodeList xml1, XmlNodeList xml2 )
  • XmlUpdate( XmlNodeList xml, String key, Object value )
  • XmlKeyList( XmlNodeList xml )
  • XmlKeyArray( XmlNodeList xml )
• Async Functions
  • RunAsync()
  • RunAsync(UDFMethod method)
  • RunAsync(UDFMethod method, long timeOut)

Numeric Member Functions: We have introduced equivalent Member functions for the following numeric functions.

• var.abs()
• var.aCos()
• var.aSin()
• var.atn()
• var.bitAnd(number2)
• var.bitMaskClear(start, length)
• var.bitMaskRead(start, length)
• var.bitMaskSet(mask, start, length)
• var.bitNot()
• var.bitOr(number2)
• var.bitSHLN(count)
• var.bitXor(number2)
• var.ceiling()
• var.cos()
• var.decrementValue()
• var.exp()
• var.fix ()
• var.floor()
• var.formatBaseN(radix)
• var.incrementValue()
• var.log()
• var.log10()
• var.max (number)
• var.min(number)
• var.round()
• var.sgn()
• var.sin()
• var.sqr()
• var.tan()
• var.precisionEvaluate(expr)

Date Member Functions

• dateVar.format()

Apart from adding these functions, we have enhanced member functions to return meaningful values so as to enhance in Member Functions Chaining.

• Array
  • arrayObj.clear()
  • arrayObj.deleteAt()
  • arrayObj.delete()
  • arrayObj.deleteNoCase()
  • arrayObj.insertAt()
  • arrayObj.prepend()
  • arrayObj.resize()
  • arrayObj.set()
  • arrayObj.sort()
  • arrayObj.swap()

• Struct
  •  structObj.delete()
  • structObj.insert()
  • structObj.update()

• Async Member Functions
  • then(UDFMethod method)
  • then(UDFMethod method, long timeout)
  • error(UDFMethod method)
  • error(UDFMethod method, long timeout)
  • get()
  • get(long timeout)
  • cancel()
  • isCancelled()
  • isDone()

One can use this feature to write compact code, some examples are as follows:

<cfscript>
myarray=ArrayNew(1);
new_arr= myarray.clear().Resize(10).set(1,10,"blah");
writedump(new_arr);
</cfscript>

<cfscript>
ordered_struct=["key1":"val1","key2":"val2"]
unordered_struct={"key3":"val3","key4":"val4"}
new_struct=unordered_struct.append(ordered_struct).update("key4","updated val4").insert("key5","inserted val5");
writedump(new_struct);
writedump(unordered_struct);
</cfscript>

<cfscript>
myResult=QueryExecute(("SELECT * FROM ORDERS WHERE ORDERID BETWEEN :low AND :high"),{low=1,high=23},
{datasource="cfartgallery"});
// chaining methods
a=myResult.deleteColumn("PHONE").filter(function(item){
return item.STATE=="CO" || item.STATE=="CA";
}).valueArray("TOTAL");
WriteDump(a);
// use reduce function to calculate sum of all prices
red=a.reduce(function(prev,next){
return prev+next; // sum of all prices
},0);
writeoutput(red);
</cfscript>