View Source Cogito.Combinators (Cogito v1.2.0)

A list of basic combinators.

Building example (collect primitive):

[
  parser,
  [
    ws(),
    delimiter,
    ws(),
    parser
  ]
  |> nth(1)
  |> many()
]
|> fseq(fn [h, t] -> [h | t] end)
|> option([])

The meaning of each of them is derived from the names.

Summary

Don't use it with Cogito.Primitives.ws() because nth(1) will break everything.

char(predicate)

choice(parsers)

eos(parser)

eos!(parser)

identity(value)

ignore(parser)

join(parser)

lazy(parser)

many1(parser)

many(parser)

nth(parsers, n)

seq(parsers)

@spec between(Cogito.parser(), Cogito.parser(), Cogito.parser()) :: Cogito.parser()

Don't use it with Cogito.Primitives.ws() because nth(1) will break everything.

@spec char((integer() -> true | false) | integer()) :: Cogito.parser()

@spec choice([Cogito.parser()]) :: Cogito.parser()

@spec eos(Cogito.parser()) :: (String.t() -> {:ok, any()} | {:error, any()})

@spec eos!(Cogito.parser()) :: Cogito.parser!()

@spec fseq([Cogito.parser()], (any() -> any())) :: Cogito.parser()

@spec identity(any()) :: Cogito.parser()

@spec ignore(Cogito.parser()) :: Cogito.parser()

@spec join(Cogito.parser()) :: Cogito.parser()

(macro)

@spec lazy(Cogito.parser()) :: Macro.t()

@spec many1(Cogito.parser()) :: Cogito.parser()

@spec many(Cogito.parser()) :: Cogito.parser()

@spec map(Cogito.parser(), (any() -> any())) :: Cogito.parser()

@spec nth([Cogito.parser()], integer()) :: Cogito.parser()

@spec option(Cogito.parser(), any()) :: Cogito.parser()

@spec repeat(Cogito.parser(), integer()) :: Cogito.parser()

@spec seq([Cogito.parser()]) :: Cogito.parser()