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https://issues.apache.org/jira/browse/GROOVY-11363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King updated GROOVY-11363:
-------------------------------
Affects Version/s: 4.0.21
5.0.0-alpha-8
> Bootstrap method error for method reference used with a primitive literal
> -------------------------------------------------------------------------
>
> Key: GROOVY-11363
> URL: https://issues.apache.org/jira/browse/GROOVY-11363
> Project: Groovy
> Issue Type: Bug
> Affects Versions: 5.0.0-alpha-8, 4.0.21
> Reporter: Paul King
> Priority: Major
>
> This code:
> {code}
> import groovy.transform.CompileStatic
> import java.util.function.Supplier
> @CompileStatic
> Supplier<String> method() {
> 5::toString
> }
> method().get()
> {code}
> Fails with this error:
> {noformat}
> java.lang.BootstrapMethodError: bootstrap method initialization exception
> at
> java.base/java.lang.invoke.BootstrapMethodInvoker.invoke(BootstrapMethodInvoker.java:188)
> at java.base/java.lang.invoke.CallSite.makeSite(CallSite.java:315)
> at
> java.base/java.lang.invoke.MethodHandleNatives.linkCallSiteImpl(MethodHandleNatives.java:281)
> at
> java.base/java.lang.invoke.MethodHandleNatives.linkCallSite(MethodHandleNatives.java:271)
> at ConsoleScript9.method(ConsoleScript9:6)
> ...
> Caused by: java.lang.invoke.LambdaConversionException: Type mismatch in
> captured lambda parameter 0: expecting int, found class java.lang.Object
> {noformat}
> My initial expectation is that the wrapper type/boxed version should be used.
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