JavaBeans specification is to use "is" version first (for boolean fields only), so +1 on Groovy adhering to that. +1 to have consistent behavior.
Compile time error seems a bit harsh. But maybe codenarc could raise this as code smell in any case. On Fri, Aug 21, 2015 at 5:35 PM, Cédric Champeau <[email protected]> wrote: > Hi guys, > > While migrating Gradle to Groovy 2.4.4, I spent several hours debugging an > integration test that mysteriously failed under 2.4.4. It took me a lot of > time to figure out that the offending line was this one: > > https://github.com/gradle/gradle/blob/9d9798019a47aaf034cdb85a931eb8fefdd4060f/subprojects/launcher/src/integTest/groovy/org/gradle/launcher/daemon/testing/DaemonsState.groovy#L44 > > In Groovy 2.3, `wildcard` called `isWildcard`. Since we added support for > multiple setters (I think it is related, but not 100% sure), the behavior > seem to have changed: now Groovy calls `getWildcard`. > > But as you can see, there's a culprit: `getWildcard` is a static method, > while `isWildcard` is an instance one. How silly! > > I think this should be a compile time error (having both a static `get` > method and an instance `is` one, and the reverse). > > It shouldn't be a problem to have both static or both instance methods, as > long as the behavior is deterministic. That is, if you find both: > > boolean getA() > boolean isA() > > and that you access the property using: > > foo.a > > It should *always* be the same method which is called. My preference would > go with the "is" version first, but I'm not sure we make any guarantee on > this. > > WDYT?
