I though we already did this for V. 1.5? (allow #set to accept null). But we left it off for backwards compatibility.
Check the code. WILL On Nov 22, 2007 10:01 AM, <[EMAIL PROTECTED]> wrote: > Hi Claude, > > I originally proposed to allow the bang character in the > #set( $!bar = $!foo ) directive to: > a) avoid logging the null from $!foo (this is current behaviour > when rendering foo) > b) allowing setting the context to null with then bang in $!bar > I sent a patch many years ago (was rejected, event though it is BC). > > See the threads at: > "how to set null value" > > http://mail-archives.apache.org/mod_mbox/velocity-user/200505.mbox/[EMAIL > PROTECTED] > > "Quiet reference in set" > > http://mail-archives.apache.org/mod_mbox/velocity-user/200102.mbox/[EMAIL > PROTECTED] > > http://mail-archives.apache.org/mod_mbox/velocity-user/200103.mbox/[EMAIL > PROTECTED] > > [PATCH] ASTSetDirective to handle a bang > > http://mail-archives.apache.org/mod_mbox/velocity-dev/200101.mbox/[EMAIL > PROTECTED] > > "wish list" (you participated in this thread!) > > http://mail-archives.apache.org/mod_mbox/velocity-dev/200310.mbox/[EMAIL > PROTECTED] > > more embedded: > > Claude Brisson wrote: > > Hi dev, > > > > I'd like to change the behaviour of #set($foo = $evaluates_to_null) > > > > The current behaviour is to log (debug loglevel) the message "RHS of > > #set statement is null...". > > > > What I'd like to do: > > > > - set the loglevel of this message to warn > > +0 > > > > > - don't log anything if the left reference is quiet, as in > > #set($!foo = $evaluates_to_null) > > (this syntax is already allowed but does nothing special) > > I proposed here to not log when the bang is on the RHS, conform to the > current notation: > #set( $foo = $!null ) > > Using a bang in the LHS, should allow setting the context variable to > null: > #set( $!foo = $null )## this may or may not put a warning in the log > > > > > This will allow template coders > > - to anticipate whether an assignment can be null > > +1 > > > - to be warned if another assignment is null for a warn loglevel > > > > > > Any objection? > > > > > > Claude > > > > :) Christoph > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > -- Forio Business Simulations Will Glass-Husain [EMAIL PROTECTED] www.forio.com
