Extend property expression language to include ternary and "Elvis" operators
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Key: TAP5-1160
URL: https://issues.apache.org/jira/browse/TAP5-1160
Project: Tapestry 5
Issue Type: Improvement
Components: tapestry-core
Affects Versions: 5.2.0
Reporter: Howard M. Lewis Ship
Priority: Minor
Ternary is if-then-else:
expression ? if-true : if-false
That is evaluate expression, then evaluate one of the two other expression
(if-true and if-false)
"Elvis" is the nickname of a similar operator in Groovy:
expression ?: if-false
which is equivalent to
expression ? expression : if-false
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