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Output null instead of undefined with Json.undefined serialization #1737

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May 16, 2017
Merged

Output null instead of undefined with Json.undefined serialization #1737

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8 changes: 7 additions & 1 deletion data/vibe/data/json.d
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Original file line number Diff line number Diff line change
Expand Up @@ -1949,6 +1949,12 @@ struct JsonStringSerializer(R, bool pretty = false)
unittest
{
assert(serializeToJsonString(double.nan) == "null");
assert(serializeToJsonString(Json()) == "null");
assert(serializeToJsonString(Json(["bar":Json("baz"),"foo":Json()])) == `{"bar":"baz"}`);

struct Foo{Json bar = Json();}
Foo f;
assert(serializeToJsonString(f) == `{"bar":null}`);
}

/**
Expand All @@ -1968,7 +1974,7 @@ void writeJsonString(R, bool pretty = false)(ref R dst, in Json json, size_t lev
@safe // if( isOutputRange!R && is(ElementEncodingType!R == char) )
{
final switch( json.type ){
case Json.Type.undefined: dst.put("undefined"); break;
case Json.Type.undefined: dst.put("null"); break;
case Json.Type.null_: dst.put("null"); break;
case Json.Type.bool_: dst.put(json.get!bool ? "true" : "false"); break;
case Json.Type.int_: formattedWrite(dst, "%d", json.get!long); break;
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