[jira] [Commented] (TAP5-1531) Provide a way to expand a symbol name to a null value

["Jochen Kemnade (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TAP5-1531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13821153#comment-13821153 ] 

Jochen Kemnade commented on TAP5-1531:
--------------------------------------

or {{String valueForSymbol(String symbolName, boolean allowNull);}} to roughly match {{@Parameter(allowNull=true|false)}}.
By the way, the component for this issue should be tapestry-ioc.

> Provide a way to expand a symbol name to a null value
> -----------------------------------------------------
>
>                 Key: TAP5-1531
>                 URL: https://issues.apache.org/jira/browse/TAP5-1531
>             Project: Tapestry 5
>          Issue Type: Improvement
>          Components: tapestry-core
>            Reporter: Igor Drobiazko
>            Priority: Minor
>
> It would be cool to have optional symbols. We need to add a new method to the SymbolSource interface:
>     String valueForSymbolIfExists(String symbolName);



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