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reflect: panic on nil map access #8010

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rsc opened this issue May 16, 2014 · 3 comments
Closed

reflect: panic on nil map access #8010

rsc opened this issue May 16, 2014 · 3 comments
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Go1.3

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@rsc
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rsc commented May 16, 2014 

var m map[int]int
reflect.ValueOf(m).MapIndex(ValueOf(42))
should return ValueOf(0), but instead it panics inside MapIndex calling
runtime.mapaccess.
Partial fix at https://golang.org/cl/91450048
@gopherbot
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Comment 1:

CL https://golang.org/cl/91450048 mentions this issue.

@randall77
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Comment 2:

It should return Value{}, not ValueOf(0).

@rsc
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rsc commented May 19, 2014

Comment 3:

This issue was closed by revision d54b67d.

Status changed to Fixed.

@rsc rsc added fixed labels May 19, 2014
@rsc rsc added this to the Go1.3 milestone Apr 14, 2015
@rsc rsc removed the release-go1.3 label Apr 14, 2015
@golang golang locked and limited conversation to collaborators Jun 25, 2016
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