pub fn is_immortal(&self) -> bool {
		match self {
			Era::Immortal => true,
			_ => false,
		}
	}
/// `true` if this is an immortal transaction.
`true` if this is an immortal transaction.
` true ` if this is an immortal transaction .
pub fn is_immortal(&self) -> bool {
		match self {
			Era::Immortal => true,
			_ => false,
		}
	}
pub fn is_immortal ( & self ) -> bool { match self { Era :: Immortal => true , _ => false , } }
`true` if this is an immortal transaction.
` true ` if this is an immortal transaction .
&self
&self