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encoding/json: clarify omitempty option for {array,slice,map,string} #69984

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encoding/json: clarify omitempty option for {array,slice,map,string} #69984

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4 changes: 2 additions & 2 deletions src/encoding/json/encode.go
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Original file line number Diff line number Diff line change
Expand Up @@ -72,8 +72,8 @@ import (
//
// The "omitempty" option specifies that the field should be omitted
// from the encoding if the field has an empty value, defined as
// false, 0, a nil pointer, a nil interface value, and any empty array,
// slice, map, or string.
// false, 0, a nil pointer, a nil interface value, and any array,
// slice, map, or string of length zero.
//
// As a special case, if the field tag is "-", the field is always omitted.
// Note that a field with name "-" can still be generated using the tag "-,".
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