Various progress, doesnt compile

Added prelude, made lambdas a single-token prefix like NS, made progress on implementations, removed const line type

orchid-std/src/macros/macro_lib.rs

@@ -0,0 +1,20 @@
+use orchid_extension::atom::TypAtom;
+use orchid_extension::atom_owned::get_own_instance;
+use orchid_extension::tree::{GenMember, comments, fun, prefix};
+
+use crate::Int;
+use crate::macros::instantiate_tpl::InstantiateTplCall;
+use crate::macros::mactree::MacTree;
+
+pub fn gen_macro_lib() -> Vec<GenMember> {
+	prefix("macros", [comments(
+		["This is an internal function, you can't obtain a value of its argument type.", "hidden"],
+		fun(true, "instantiate_tpl", |tpl: TypAtom<MacTree>, right: Int| async move {
+			InstantiateTplCall {
+				tpl: get_own_instance(tpl).await,
+				argc: right.0.try_into().unwrap(),
+				argv: Vec::new(),
+			}
+		}),
+	)])
+}