// std::io

pub trait IsTerminal {
    fn is_terminal(&self) -> bool;
}

impl IsTerminal for Stdin { /* ... */ }
impl IsTerminal for StdinLock<'_> { /* ... */ }
impl IsTerminal for Stdout { /* ... */ }
impl IsTerminal for StdoutLock<'_> { /* ... */ }
impl IsTerminal for Stderr { /* ... */ }
impl IsTerminal for StderrLock<'_> { /* ... */ }
impl IsTerminal for File { /* ... */ }

#[cfg(unix)]
impl IsTerminal for BorrowedFd { /* ... */ }
#[cfg(unix)]
impl IsTerminal for OwnedFd { /* ... */ }

#[cfg(windows)]
impl IsTerminal for BorrowedHandle { /* ... */ }
#[cfg(windows)]
impl IsTerminal for OwnedHandle { /* ... */ }