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encoding/json: document that encoding.TextMarshaler is used if no (json) Marshaler is present

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Change-Id: I63da54832548c325e47dc54aaa5b5112e1f3b3ba
Reviewed-on: https://go-review.googlesource.com/15048
Reviewed-by: Rob Pike <r@golang.org>
This commit is contained in:
Robert Griesemer 2015-09-28 10:47:39 -07:00
parent 3d4cd144cc
commit cbe8a3531a
1 changed files with 4 additions and 1 deletions
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5
src/encoding/json/encode.go
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@ -30,7 +30,10 @@ import (
// Marshal traverses the value v recursively.
// If an encountered value implements the Marshaler interface
// and is not a nil pointer, Marshal calls its MarshalJSON method
// to produce JSON. The nil pointer exception is not strictly necessary
// to produce JSON. If no MarshalJSON method is present but the
// value implements encoding.TextMarshaler instead, Marshal calls
// its MarshalText method.
// The nil pointer exception is not strictly necessary
// but mimics a similar, necessary exception in the behavior of
// UnmarshalJSON.
//