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85b7ea093c
Tag `writeValue` overrides with `{.raises: [IOError].}`.
The override in `writer.nim` also needs `gcsafe` to support recursion
in Nim 2.0.
32 lines
818 B
Nim
32 lines
818 B
Nim
import std/options, ../../json_serialization/[reader, writer, lexer]
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export options
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template writeObjectField*(w: var JsonWriter,
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record: auto,
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fieldName: static string,
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field: Option): bool =
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mixin writeObjectField
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if field.isSome:
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writeObjectField(w, record, fieldName, field.get)
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else:
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false
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proc writeValue*(writer: var JsonWriter, value: Option) {.raises: [IOError].} =
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mixin writeValue
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if value.isSome:
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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 Option[T]) =
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mixin readValue
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let tok = reader.lexer.lazyTok
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if tok == tkNull:
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reset value
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reader.lexer.next()
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else:
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value = some reader.readValue(T)
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