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ewe src ewe internal file.gleam
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src/ewe/internal/file.gleam 

import gleam/erlang/atom



// -----------------------------------------------------------------------------

// TYPES

// -----------------------------------------------------------------------------



// Represents a file descriptor

pub type IoDevice



// Represents errors that can occur when opening a file

pub type OpenError {

  Enoent

  Eacces

  Eisdir

  Enotdir

  Enospc

}



// -----------------------------------------------------------------------------

// PUBLIC API

// -----------------------------------------------------------------------------



/// Opens a file and returns a file descriptor

pub fn open(path: String) -> Result(IoDevice, OpenError) {

  open_file(path, [atom.create("raw"), atom.create("binary")])

}



// -----------------------------------------------------------------------------

// FILES

// -----------------------------------------------------------------------------



@external(erlang, "file", "open")

fn open_file(path: String, mode: List(atom.Atom)) -> Result(IoDevice, OpenError)