39 lines
1022 B
Nim
39 lines
1022 B
Nim
# json-serialization
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# Copyright (c) 2019-2023 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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# * MIT license ([LICENSE-MIT](LICENSE-MIT))
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# at your option.
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# This file may not be copied, modified, or distributed except according to
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# those terms.
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import
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stew/results, ../../json_serialization/[reader, writer, lexer]
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export
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results
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template shouldWriteObjectField*[T](field: Result[T, void]): bool =
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field.isOk
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proc writeValue*[T](
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writer: var JsonWriter, value: Result[T, void]) {.raises: [IOError].} =
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mixin writeValue
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if value.isOk:
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writer.writeValue value.get
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else:
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writer.writeValue JsonString("null")
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proc readValue*[T](reader: var JsonReader, value: var Result[T, void]) =
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mixin readValue
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if reader.tokKind == JsonValueKind.Null:
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reset value
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reader.parseNull()
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else:
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value.ok reader.readValue(T)
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func isFieldExpected*[T, E](_: type[Result[T, E]]): bool {.compileTime.} =
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false
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