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encoding/json: clarify Unmarshal behavior for map keys

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This is a documentation-only change

Fixes #33298

Change-Id: I816058a872b57dc868dff11887214d9de92d9342
Reviewed-on: https://go-review.googlesource.com/c/go/+/188821
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Eli Bendersky 2019-08-02 14:13:23 -07:00 committed by Daniel Martí
parent b12b672300
commit 28f8f55bd2
1 changed files with 2 additions and 1 deletions
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3
src/encoding/json/decode.go
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@ -72,7 +72,8 @@ import (
// use. If the map is nil, Unmarshal allocates a new map. Otherwise Unmarshal
// reuses the existing map, keeping existing entries. Unmarshal then stores
// key-value pairs from the JSON object into the map. The map's key type must
// either be a string, an integer, or implement encoding.TextUnmarshaler.
// either be any string type, an integer, implement json.Unmarshaler, or
// implement encoding.TextUnmarshaler.
//
// If a JSON value is not appropriate for a given target type,
// or if a JSON number overflows the target type, Unmarshal