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https://issues.apache.org/jira/browse/GROOVY-7861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King closed GROOVY-7861.
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> asType(null) called in @CompileStatic method returns a string 'null'
> --------------------------------------------------------------------
>
> Key: GROOVY-7861
> URL: https://issues.apache.org/jira/browse/GROOVY-7861
> Project: Groovy
> Issue Type: Bug
> Components: Static compilation
> Affects Versions: 2.4.7
> Environment: Win, jdk1.7.79
> Reporter: Jacek Karas
> Assignee: Eric Milles
> Priority: Minor
> Fix For: 5.0.0-alpha-3
>
>
> The following code:
> {code}
> import groovy.transform.CompileStatic
> class Test {
> @CompileStatic
> static Object castToType(Object o, Class clazz) {
> return o.asType(clazz)
> }
> }
> def foo = Test.castToType(null, String.class)
> println "'${foo}' class: ${foo.getClass()} bytes: ${foo?.getBytes()}"
> {code}
> prints:
> {panel}
> 'null' class: class java.lang.String bytes: [110, 117, 108, 108]
> {panel}
> i.e. the method annotated with @CompileStatic converts null to the actual
> string 'null' (which is quite a nasty surprise when trying to "speed things
> up" by adding @CompileStatic to existing non-static code).
> The same without @CompileStatic returns:
> {panel}
> 'null' class: class org.codehaus.groovy.runtime.NullObject bytes: null
> {panel}
> as expected.
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