Spec draft for JEP 302 Lambda Leftovers

Dan Smith daniel.smith at oracle.com
Thu Apr 27 19:47:08 UTC 2017

JEP 302 proposes 3 loosely-related features: unnamed parameters, allowing shadowing within lambdas, and improvements to overload resolution.


The third feature is still a work in progress, and we may choose not to pursue it. The following spec changes allow for the first two features, unnamed parameters and shadowing within lambdas:


There are different ways to treat "_" as a parameter name. The approach I've chosen is to make the name of a parameter an optional property. Parameters without names have no scope, and thus can't conflict with each other.


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