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macro_rules! csi {
($( $l:expr ),*) => { concat!("\x1B[", $( $l ),*) };
}
macro_rules! derive_csi_sequence {
($doc:expr, $name:ident, $value:expr) => {
#[doc = $doc]
#[derive(Copy, Clone)]
pub struct $name;
impl fmt::Display for $name {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, csi!($value))
}
}
impl AsRef<[u8]> for $name {
fn as_ref(&self) -> &'static [u8] { csi!($value).as_bytes() }
}
impl AsRef<str> for $name {
fn as_ref(&self) -> &'static str { csi!($value) }
}
};
}