// Copyright (c) 2026 Alejandro Gonzales-Irribarren <alejandrxgzi@gmail.com>
// Distributed under the terms of the Apache License, Version 2.0.
//! PSL input/output.
//!
//! Everything that turns bytes into records and back: the byte [`storage`]
//! backing (mmap/gzip), the whole-file [`reader`], the low-memory [`stream`]ing
//! reader, the PSL/PSLx [`writer`], and the random-access [`index`]. Parsing
//! primitives live in the sibling [`crate::parser`] module.