How does it differ from existing syntax? See the examples here: http://tapestry.apache.org/property-expressions.html
On Tue, Aug 23, 2011 at 1:14 PM, Denis Stepanov <denis.stepa...@gmail.com>wrote: > Hello, > > I would like to suggest a new syntax for checking if the property > expression value is a null: > > > value="?prop" > > > will return false if property "prop" is null or true if not > > > value="?prop.a.b.c" > > > will return false if property "c" is null or true if not > > > value="?prop?.a?.b?.c" > > will return false if one of the properties is null. > > > value="prop" > > > will call toString to convert it to a boolean, is not the best way how to > implement a null check. > > We have isNotNull component, which I would like to eliminate. > > Denis > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@tapestry.apache.org > For additional commands, e-mail: dev-h...@tapestry.apache.org > > -- Best regards, Igor Drobiazko http://tapestry5.de
