Paul King created GROOVY-10943:
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Summary: Consider additional use of _ as a placeholder
Key: GROOVY-10943
URL: https://issues.apache.org/jira/browse/GROOVY-10943
Project: Groovy
Issue Type: Dependency upgrade
Reporter: Paul King
Recent Java versions make underscore, "_", an illegal variable name. This is to
allow it to be used as a placeholder as per JEP 302: Lambda Leftovers[1]. This
issue is to explore how better to have such a placeholder in Groovy.
This strengthens an informal convention already in use. Instead of writing this:
{code}
def (coordX, coordY, unusedZ) = coord3D()
{code}
Sometimes it is written as:
{code}
def (coordX, coordY, _) = coord3D()
{code}
[1] [https://openjdk.org/jeps/302]
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