Made some progress towards effectful programs

orchid-extension/src/system_card.rs

@@ -5,7 +5,10 @@ use std::num::NonZero;
 use orchid_api_traits::Coding;
 use orchid_base::BoxedIter;
 
-use crate::{AtomOps, AtomTypeId, Atomic, AtomicFeatures, Fun, Lambda, Replier, SystemCtor};
+use crate::{
+	AtomOps, AtomTypeId, Atomic, AtomicFeatures, CmdAtom, Fun, Lambda, ReaderAtom, Replier,
+	SystemCtor, WriterAtom,
+};
 
 /// Description of a system. This is intended to be a ZST storing the static
 /// properties of a [SystemCtor] which should be known to foreign systems
@@ -56,5 +59,13 @@ pub(crate) trait DynSystemCardExt: DynSystemCard {
 /// The indices of these are bitwise negated, such that the MSB of an atom index
 /// marks whether it belongs to this package (0) or the importer (1)
 pub(crate) fn general_atoms() -> impl Iterator<Item = Option<Box<dyn AtomOps>>> {
-	[Some(Fun::ops()), Some(Lambda::ops()), Some(Replier::ops())].into_iter()
+	[
+		Some(Fun::ops()),
+		Some(Lambda::ops()),
+		Some(Replier::ops()),
+		Some(CmdAtom::ops()),
+		Some(WriterAtom::ops()),
+		Some(ReaderAtom::ops()),
+	]
+	.into_iter()
 }