Pbjson.read.enum: def of bendonnect-rpc@0.1.0.0
Import: import bendonnect-rpc@0.1.0.0/src/pbjson.bend as Pbjson
Lines 582-596 of bendonnect-rpc@0.1.0.0/src/pbjson.bend: https://jend.leeeet.dev/read.txt?path=bendonnect-rpc@0.1.0.0/src/pbjson.bend&start_line=582&end_line=596

import Base
import bend-kit-bytes@0.3.2.0/bytes.bend as Bytes
import bend-kit-encoding@0.4.0.0/encoding.bend as Enc
import bend-kit-json@0.6.1.1/json.bend as Json

# Enum by name (from_name = the generated E.from_name) or by number; null -> 0.
def read.enum(~from_name: @+s: String -> Maybe<&2, U32>, v: Json.Val) -> Result<&2, &1, String, U32>:
  match v:
    case Json.Null{}:
      Done{0}
    case Json.Str{b}:
      lift.m(U32, from_name(Enc.utf8.decode(b)), "unknown enum value")
    case Json.Num{b}:
      lift.m(U32, parse.int32(Bytes.to_string(b)), "invalid enum number")
    case Json.Flag{on}:
      Fail{"expected an enum name or number"}
    case Json.Arr{xs}:
      Fail{"expected an enum name or number"}
    case Json.Obj{kvs}:
      Fail{"expected an enum name or number"}

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=to_string
  https://jend.leeeet.dev/definition.txt?path=bend-kit-encoding@0.5.0.0/encoding.bend&name=utf8.decode
  https://jend.leeeet.dev/definition.txt?path=bend-kit-json@0.7.0.0/json.bend&name=Val
  https://jend.leeeet.dev/definition.txt?path=bendonnect-rpc@0.1.0.0/src/pbjson.bend&name=lift.m
  https://jend.leeeet.dev/definition.txt?path=bendonnect-rpc@0.1.0.0/src/pbjson.bend&name=parse.int32