#![feature(
    debug_closure_helpers,
    const_trait_impl,
    generic_assert,
    deref_patterns,
    generic_const_exprs,
    impl_trait_in_bindings,
    import_trait_associated_functions
)]
#![allow(incomplete_features)]

pub mod colors;
mod keyboard;
pub mod term;

#[cfg(target_family = "unix")]
pub fn read(fd: std::os::fd::BorrowedFd) -> Option<Vec<u8>> {
    let mut x = [0; 1 << 16];
    let n = nix::unistd::read(fd, &mut x).ok()?;
    Some(x[..n].to_vec())
}
#[cfg(target_family = "unix")]
pub fn write(fd: std::os::fd::BorrowedFd, x: &[u8]) -> anyhow::Result<()> {
    let n = nix::unistd::write(fd, x)?;
    anyhow::ensure!(n == x.len());
    Ok(())
}