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go/types: reference to type-switch variable from within function literal sees wrong type. #5504

adonovan opened this issue May 17, 2013 · 2 comments


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When the name bound to a x.(type) type-switch expression is referred to from within a
function literal inside one of the cases, it sees the type of the interface, not the
concrete type of the case.

(That's because processing of the function literal body is deferred until after the type
of the variable x, which was temporarily mutated for each case, has been restored.)
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Comment 1:

I saw the same bug yesterday and was about to report too.

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Comment 2:

This issue was closed by revision golang/tools@faef64e.

Status changed to Fixed.

@golang golang locked and limited conversation to collaborators Jun 24, 2016
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