refactor!: remove quantum extension (#670)

move test operations to test-only extension


BREAKING_CHANGES: angle types now moved to CQCL/tket2 repo
CQCL/tket2#231
Closes #646

src/builder/circuit.rs

@@ -139,9 +139,9 @@ mod test {
         },
         extension::prelude::BOOL_T,
         ops::{custom::OpaqueOp, LeafOp},
-        std_extensions::quantum::test::{cx_gate, h_gate, measure},
         type_row,
         types::FunctionType,
+        utils::test_quantum_extension::{cx_gate, h_gate, measure},
     };
 
     #[test]

src/builder/dataflow.rs

@@ -218,8 +218,8 @@ pub(crate) mod test {
     use crate::ops::{handle::NodeHandle, LeafOp, OpTag};
 
     use crate::std_extensions::logic::test::and_op;
-    use crate::std_extensions::quantum::test::h_gate;
     use crate::types::Type;
+    use crate::utils::test_quantum_extension::h_gate;
     use crate::{
         builder::{
             test::{n_identity, BIT, NAT, QB},

src/hugr/rewrite/simple_replace.rs

@@ -234,9 +234,9 @@ pub(in crate::hugr::rewrite) mod test {
     use crate::ops::OpTag;
     use crate::ops::{OpTrait, OpType};
     use crate::std_extensions::logic::test::and_op;
-    use crate::std_extensions::quantum::test::{cx_gate, h_gate};
     use crate::type_row;
     use crate::types::{FunctionType, Type};
+    use crate::utils::test_quantum_extension::{cx_gate, h_gate};
     use crate::{IncomingPort, Node};
 
     use super::SimpleReplacement;

src/hugr/views/descendants.rs

@@ -202,9 +202,9 @@ pub(super) mod test {
     use crate::{
         builder::{Container, Dataflow, DataflowSubContainer, HugrBuilder, ModuleBuilder},
         ops::handle::NodeHandle,
-        std_extensions::quantum::test::h_gate,
         type_row,
         types::{FunctionType, Type},
+        utils::test_quantum_extension::h_gate,
     };
 
     use super::*;

src/hugr/views/sibling_subgraph.rs

@@ -681,6 +681,7 @@ mod tests {
     use cool_asserts::assert_matches;
 
     use crate::extension::PRELUDE_REGISTRY;
+    use crate::utils::test_quantum_extension::cx_gate;
     use crate::{
         builder::{
             BuildError, DFGBuilder, Dataflow, DataflowHugr, DataflowSubContainer, HugrBuilder,
@@ -696,10 +697,7 @@ mod tests {
             handle::{DfgID, FuncID, NodeHandle},
             OpType,
         },
-        std_extensions::{
-            logic::test::{and_op, not_op},
-            quantum::test::cx_gate,
-        },
+        std_extensions::logic::test::{and_op, not_op},
         type_row,
     };
 

src/hugr/views/tests.rs

@@ -4,9 +4,9 @@ use crate::{
     builder::{BuildError, DFGBuilder, Dataflow, DataflowHugr},
     extension::prelude::QB_T,
     ops::handle::NodeHandle,
-    std_extensions::quantum::test::cx_gate,
     type_row,
     types::FunctionType,
+    utils::test_quantum_extension::cx_gate,
     HugrView,
 };
 

src/std_extensions.rs

@@ -5,4 +5,3 @@
 pub mod arithmetic;
 pub mod collections;
 pub mod logic;
-pub mod quantum;