First steps for the macro system

orchid-std/src/macros/rule/shared.rs

@@ -11,7 +11,6 @@ use orchid_base::tokens::{PARENS, Paren};
 pub enum ScalMatcher {
 	Name(Sym),
 	S(Paren, Box<AnyMatcher>),
-	Lambda(Box<AnyMatcher>, Box<AnyMatcher>),
 	Placeh { key: Tok<String> },
 }
 
@@ -62,7 +61,6 @@ impl fmt::Display for ScalMatcher {
 				let (l, r, _) = PARENS.iter().find(|r| r.2 == *t).unwrap();
 				write!(f, "{l}{body}{r}")
 			},
-			Self::Lambda(arg, body) => write!(f, "\\{arg}.{body}"),
 		}
 	}
 }