mirror of https://github.com/waku-org/nwaku.git
37 lines
863 B
Nim
37 lines
863 B
Nim
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when (NimMajor, NimMinor) < (1, 4):
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{.push raises: [Defect].}
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else:
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{.push raises: [].}
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import stew/results
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type
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ParsingErrorKind* {.pure.} = enum
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InvalidFormat,
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MissingPart
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ParsingError* = object
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case kind*: ParsingErrorKind
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of InvalidFormat:
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cause*: string
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of MissingPart:
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part*: string
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type ParsingResult*[T] = Result[T, ParsingError]
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proc invalidFormat*(T: type ParsingError, cause = "invalid format"): T =
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ParsingError(kind: ParsingErrorKind.InvalidFormat, cause: cause)
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proc missingPart*(T: type ParsingError, part = "unknown"): T =
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ParsingError(kind: ParsingErrorKind.MissingPart, part: part)
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proc `$`*(err: ParsingError): string =
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case err.kind:
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of ParsingErrorKind.InvalidFormat:
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return "invalid format: " & err.cause
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of ParsingErrorKind.MissingPart:
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return "missing part: " & err.part
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