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encoding/gob: merges maps instead of replacing #11117

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divVerent opened this issue Jun 8, 2015 · 2 comments
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encoding/gob: merges maps instead of replacing #11117

divVerent opened this issue Jun 8, 2015 · 2 comments
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@divVerent
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go version: Whatever is on play.golang.org.

Operating system: Linux

What I did: used gob.Decoder.Decode to an already existing map. See: http://play.golang.org/p/yjPCjdHp93

What I expected: the map passed to Decode will be entirely overwritten by the gobbed input map.

What I got: the map passed to Decode got merged with the gobbed input map.

At the very least, the decoder merging instead of replacing maps should be documented.
@ianlancetaylor ianlancetaylor added this to the Unplanned milestone Jul 11, 2015
@gopherbot
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CL https://golang.org/cl/14693 mentions this issue.

@divVerent
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Yes, this explanation is good and resolves the issue for me.

@golang golang locked and limited conversation to collaborators Sep 22, 2016
@rsc rsc unassigned robpike Jun 23, 2022
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@divVerent @ianlancetaylor @robpike @gopherbot