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go/types: cannot find type of [...]T type literals #14092

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mdempsky opened this issue Jan 25, 2016 · 1 comment
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go/types: cannot find type of [...]T type literals #14092

mdempsky opened this issue Jan 25, 2016 · 1 comment
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@mdempsky
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@mdempsky mdempsky commented Jan 25, 2016

http://play.golang.org/p/eksKQzD3Km

In a composite literal expression like [1]int{0}, you can use info.TypeOf on the [1]int type literal subexpression to get the type [1]int.

However, if you use info.TypeOf on the [...]int subexpression of [...]int{0}, you get nil instead. I would expect that go/types should report that this [...]int means the type [1]int.

As a workaround, info.TypeOf does return the expected type when applied to the entire composite literal expression (i.e., [...]int{0}).

/cc @griesemer @alandonovan

@mdempsky mdempsky added this to the Go1.7 milestone Jan 25, 2016
@griesemer griesemer self-assigned this Jan 25, 2016
@rsc rsc added this to the Go1.8 milestone May 18, 2016
@rsc rsc removed this from the Go1.7 milestone May 18, 2016
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@gopherbot gopherbot commented Aug 18, 2016

CL https://golang.org/cl/27316 mentions this issue.

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@gopherbot gopherbot closed this in 021f243 Aug 18, 2016
@golang golang locked and limited conversation to collaborators Aug 18, 2017
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