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// Copyright 2024-2025 Gabriel Bjørnager Jensen.
//
// This Source Code Form is subject to the terms of
// the Mozilla Public License, v. 2.0. If a copy of
// the MPL was not distributed with this file, you
// can obtain one at:
// <https://mozilla.org/MPL/2.0/>.
//! The [`Repeat`] type and [`repeat`] function.
use crate::io::{Read, Result};
/// A type that ignores reads and writes.
#[derive(Clone, Copy, Debug, Default)]
pub struct Repeat {
/// The repeating octet value.
value: u8,
}
/// Constructs a new [`Repeat`] object.
#[inline]
#[must_use]
pub const fn repeat(value: u8) -> Repeat {
Repeat { value }
}
impl Read for Repeat {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
buf.fill(self.value);
Ok(buf.len())
}
#[inline]
fn read_exact(&mut self, buf: &mut [u8]) -> Result<()> {
buf.fill(self.value);
Ok(())
}
}