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serialization for tuples - just like for objects

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Viktor Kirilov 2020-06-11 13:36:26 +03:00 committed by zah
parent 271512c161
commit 8c1a8ef8d9
1 changed files with 8 additions and 1 deletions
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9
json_rpc/jsonmarshal.nim
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@ -42,7 +42,7 @@ proc fromJson*[T: enum](n: JsonNode, argName: string, result: var T) =
result = n.getInt().T
# This can't be forward declared: https://github.com/nim-lang/Nim/issues/7868
proc fromJson*[T: object](n: JsonNode, argName: string, result: var T) =
proc fromJson*[T: object|tuple](n: JsonNode, argName: string, result: var T) =
n.kind.expect(JObject, argName)
for k, v in fieldPairs(result):
if v is Option and not n.hasKey(k):
@ -50,6 +50,13 @@ proc fromJson*[T: object](n: JsonNode, argName: string, result: var T) =
else:
fromJson(n[k], k, v)
# same as `proc `%`*[T: object](o: T): JsonNode` in json.nim from the stdlib
# TODO this PR removes the need for this: https://github.com/nim-lang/Nim/pull/14638
proc `%`*[T: tuple](o: T): JsonNode =
## Construct JsonNode from tuples and objects.
result = newJObject()
for k, v in o.fieldPairs: result[k] = %v
proc fromJson*[T](n: JsonNode, argName: string, result: var Option[T]) =
# Allow JNull for options
if n.kind != JNull: