Decode the protobuf wire format in Gleam!
Rename `DecodeError` to `ParseError`
Gavin Morrow
(Sep 20, 2025, 12:25 PM EDT)
3a01f88c
f1f46a0e
+4
-4
+4
-4
src/protobuf_decode_gleam.gleam
+4
-4
src/protobuf_decode_gleam.gleam
···
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pub fn parse(
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from bits: BitArray,
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using decoder: Decoder(t),
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-
) -> Result(t, DecodeError) {
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+
) -> Result(t, ParseError) {
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use data <- result.try(read_fields(bits, []))
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decode.run(data, decoder) |> result.map_error(UnableToDecode)
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}
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-
pub type DecodeError {
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+
pub type ParseError {
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UnknownWireType(Int)
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InvalidVarInt(leftover_bits: BitArray, acc: BitArray)
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InvalidFixed(size: Int, bits: BitArray)
···
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UnableToDecode(List(decode.DecodeError))
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}
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-
fn read_fields(bits: BitArray, acc: List(Field)) -> Result(Dynamic, DecodeError) {
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+
fn read_fields(bits: BitArray, acc: List(Field)) -> Result(Dynamic, ParseError) {
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case bits {
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<<>> ->
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acc
···
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}
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type DecodeResult(t) =
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-
Result(t, DecodeError)
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+
Result(t, ParseError)
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type Parsed(t) {
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Parsed(value: t, rest: BitArray)