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cmd/compile: improve compiler error message when accessing type instead of instance of type #6814

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btracey opened this issue Nov 21, 2013 · 8 comments
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@btracey
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@btracey btracey commented Nov 21, 2013

http://play.golang.org/p/54n3Rs7JHT

If you have a function that has f which is a Foo, and try to reference Foo.Bar instead
of f.Bar, you get the following error message:

prog.go:10: Foo.Bar undefined (type Foo has no method Bar)
 [process exited with non-zero status]

I can see where this is coming from, because it's valid syntax if you're trying to get a
method, but I wonder if there could be a different error message when Foo has the field
Bar as in this case Foo is trying to be used as a value.
@rsc
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@rsc rsc commented Nov 27, 2013

Comment 1:

Labels changed: added go1.3maybe.

@rsc
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@rsc rsc commented Dec 4, 2013

Comment 2:

Labels changed: added release-none, removed go1.3maybe.

@rsc
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@rsc rsc commented Dec 4, 2013

Comment 3:

Labels changed: added repo-main.

@davecheney
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@davecheney davecheney commented Feb 4, 2014

Comment 4:

Labels changed: removed priority-triage.

Status changed to Accepted.

@evankroske
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@evankroske evankroske commented Aug 8, 2014

Comment 5:

I'll take this one.
@evankroske
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@evankroske evankroske commented Aug 14, 2014

Comment 6:

Waiting on compiler changes of 1.4:
https://groups.google.com/d/msg/golang-dev/daq9U6pEAE8/7OSkog_uNt0J
@gopherbot
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@gopherbot gopherbot commented Oct 22, 2014

Comment 7:

CL https://golang.org/cl/152570045 mentions this issue.
@evankroske
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@evankroske evankroske commented Dec 22, 2014

@rsc rsc added this to the Unplanned milestone Apr 10, 2015
@rsc rsc changed the title cmd/gc: improve compiler error message when accessing type instead of instance of type cmd/compile: improve compiler error message when accessing type instead of instance of type Jun 8, 2015
@odeke-em odeke-em self-assigned this Jun 6, 2020
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6 participants