Jochen Eddelbuettel created GROOVY-9554:
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Summary: @Field variable access within closures broken
Key: GROOVY-9554
URL: https://issues.apache.org/jira/browse/GROOVY-9554
Project: Groovy
Issue Type: Bug
Components: Compiler
Affects Versions: 3.0.3, 2.4.15
Reporter: Jochen Eddelbuettel
{code:java}
@groovy.transform.Field String abc
binding.variables.clear()
abc = "abc"
println binding.hasVariable("abc")
["D","E","F"].each { abc += it }
println binding.getVariable("abc")
assert abc == "abcDEF"
{code}
If a variable is declared using the @Field annotation, it can be assigned to in
the main script body, but any assignment inside a closure (here the closure
used with each) ends up in the script binding instead. Assignments within
regular methods work fine, too. If the variables is accessed inside the closure
and it is not in the binding, then the value will come from the field. As soon
as it is in the binding, the binding variable takes precedence over the field.
In both cases the field declared with @Field needs to have precedence over
anything that is in the binding, just like local variables do.
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