FunctionType -> Signature

hugr-cli/tests/cli.rs

@@ -12,7 +12,7 @@ use hugr_core::{
     builder::{Container, Dataflow, DataflowHugr},
     extension::prelude::{BOOL_T, QB_T},
     type_row,
-    types::FunctionType,
+    types::Signature,
     Hugr,
 };
 use predicates::{prelude::*, str::contains};
@@ -25,7 +25,7 @@ fn cmd() -> Command {
 
 #[fixture]
 fn test_hugr() -> Hugr {
-    let df = DFGBuilder::new(FunctionType::new_endo(type_row![BOOL_T])).unwrap();
+    let df = DFGBuilder::new(Signature::new_endo(type_row![BOOL_T])).unwrap();
     let [i] = df.input_wires_arr();
     df.finish_prelude_hugr_with_outputs([i]).unwrap()
 }
@@ -83,7 +83,7 @@ fn test_mermaid(test_hugr_file: NamedTempFile, mut cmd: Command) {
 
 #[rstest]
 fn test_bad_hugr(mut cmd: Command) {
-    let df = DFGBuilder::new(FunctionType::new_endo(type_row![QB_T])).unwrap();
+    let df = DFGBuilder::new(Signature::new_endo(type_row![QB_T])).unwrap();
     let bad_hugr = df.hugr().clone();
 
     let bad_hugr_string = serde_json::to_string(&bad_hugr).unwrap();

hugr-core/src/builder.rs

@@ -30,7 +30,7 @@
 //! # use hugr::builder::{BuildError, BuildHandle, Container, DFGBuilder, Dataflow, DataflowHugr, ModuleBuilder, DataflowSubContainer, HugrBuilder};
 //! use hugr::extension::prelude::BOOL_T;
 //! use hugr::std_extensions::logic::{NotOp, LOGIC_REG};
-//! use hugr::types::FunctionType;
+//! use hugr::types::Signature;
 //!
 //! # fn doctest() -> Result<(), BuildError> {
 //! let hugr = {
@@ -42,7 +42,7 @@
 //!     let _dfg_handle = {
 //!         let mut dfg = module_builder.define_function(
 //!             "main",
-//!             FunctionType::new(vec![BOOL_T], vec![BOOL_T]),
+//!             Signature::new(vec![BOOL_T], vec![BOOL_T]),
 //!         )?;
 //!
 //!         // Get the wires from the function inputs.
@@ -59,7 +59,7 @@
 //!     let _circuit_handle = {
 //!         let mut dfg = module_builder.define_function(
 //!             "circuit",
-//!             FunctionType::new_endo(vec![BOOL_T, BOOL_T]),
+//!             Signature::new_endo(vec![BOOL_T, BOOL_T]),
 //!         )?;
 //!         let mut circuit = dfg.as_circuit(dfg.input_wires());
 //!
@@ -92,7 +92,7 @@ use crate::hugr::ValidationError;
 use crate::ops::handle::{BasicBlockID, CfgID, ConditionalID, DfgID, FuncID, TailLoopID};
 use crate::ops::{NamedOp, OpType};
 use crate::types::Type;
-use crate::types::{ConstTypeError, FunctionType, TypeRow};
+use crate::types::{ConstTypeError, Signature, TypeRow};
 use crate::{Node, Port, Wire};
 
 pub mod handle;
@@ -121,16 +121,16 @@ pub use conditional::{CaseBuilder, ConditionalBuilder};
 mod circuit;
 pub use circuit::{CircuitBuildError, CircuitBuilder};
 
-/// Return a FunctionType with the same input and output types (specified)
+/// Return a Signature with the same input and output types (specified)
 /// whose extension delta, when used in a non-FuncDefn container, will be inferred.
-pub fn ft1(types: impl Into<TypeRow>) -> FunctionType {
-    FunctionType::new_endo(types).with_extension_delta(TO_BE_INFERRED)
+pub fn ft1(types: impl Into<TypeRow>) -> Signature {
+    Signature::new_endo(types).with_extension_delta(TO_BE_INFERRED)
 }
 
-/// Return a FunctionType with the specified input and output types
+/// Return a Signature with the specified input and output types
 /// whose extension delta, when used in a non-FuncDefn container, will be inferred.
-pub fn ft2(inputs: impl Into<TypeRow>, outputs: impl Into<TypeRow>) -> FunctionType {
-    FunctionType::new(inputs, outputs).with_extension_delta(TO_BE_INFERRED)
+pub fn ft2(inputs: impl Into<TypeRow>, outputs: impl Into<TypeRow>) -> Signature {
+    Signature::new(inputs, outputs).with_extension_delta(TO_BE_INFERRED)
 }
 
 #[derive(Debug, Clone, PartialEq, Error)]
@@ -235,7 +235,7 @@ pub(crate) mod test {
     use crate::hugr::{views::HugrView, HugrMut};
     use crate::ops;
     use crate::std_extensions::arithmetic::float_ops::FLOAT_OPS_REGISTRY;
-    use crate::types::{FunctionType, PolyFuncType, Type};
+    use crate::types::{PolyFuncType, Signature, Type};
     use crate::{type_row, Hugr};
 
     use super::handle::BuildHandle;
@@ -271,16 +271,15 @@ pub(crate) mod test {
 
     #[fixture]
     pub(crate) fn simple_dfg_hugr() -> Hugr {
-        let dfg_builder =
-            DFGBuilder::new(FunctionType::new(type_row![BIT], type_row![BIT])).unwrap();
+        let dfg_builder = DFGBuilder::new(Signature::new(type_row![BIT], type_row![BIT])).unwrap();
         let [i1] = dfg_builder.input_wires_arr();
         dfg_builder.finish_prelude_hugr_with_outputs([i1]).unwrap()
     }
 
     #[fixture]
     pub(crate) fn simple_cfg_hugr() -> Hugr {
         let mut cfg_builder =
-            CFGBuilder::new(FunctionType::new(type_row![NAT], type_row![NAT])).unwrap();
+            CFGBuilder::new(Signature::new(type_row![NAT], type_row![NAT])).unwrap();
         super::cfg::test::build_basic_cfg(&mut cfg_builder).unwrap();
         cfg_builder.finish_prelude_hugr().unwrap()
     }
@@ -289,7 +288,7 @@ pub(crate) mod test {
     /// for tests which want to avoid having open extension variables after
     /// inference. Using DFGBuilder will default to a root node with an open
     /// extension variable
-    pub(crate) fn closed_dfg_root_hugr(signature: FunctionType) -> Hugr {
+    pub(crate) fn closed_dfg_root_hugr(signature: Signature) -> Hugr {
         let mut hugr = Hugr::new(ops::DFG {
             signature: signature.clone(),
         });

hugr-core/src/builder/build_traits.rs

@@ -19,7 +19,7 @@ use crate::{
 };
 
 use crate::extension::{ExtensionRegistry, ExtensionSet, PRELUDE_REGISTRY, TO_BE_INFERRED};
-use crate::types::{FunctionType, PolyFuncType, Type, TypeArg, TypeRow};
+use crate::types::{PolyFuncType, Signature, Type, TypeArg, TypeRow};
 
 use itertools::Itertools;
 
@@ -274,7 +274,7 @@ pub trait Dataflow: Container {
     // TODO: Should this be one function, or should there be a temporary "op" one like with the others?
     fn dfg_builder(
         &mut self,
-        signature: FunctionType,
+        signature: Signature,
         input_wires: impl IntoIterator<Item = Wire>,
     ) -> Result<DFGBuilder<&mut Hugr>, BuildError> {
         let op = ops::DFG {
@@ -295,7 +295,7 @@ pub trait Dataflow: Container {
     ) -> Result<DFGBuilder<&mut Hugr>, BuildError> {
         let (types, input_wires): (Vec<Type>, Vec<Wire>) = inputs.into_iter().unzip();
         self.dfg_builder(
-            FunctionType::new_endo(types).with_extension_delta(TO_BE_INFERRED),
+            Signature::new_endo(types).with_extension_delta(TO_BE_INFERRED),
             input_wires,
         )
     }
@@ -323,7 +323,7 @@ pub trait Dataflow: Container {
         let (cfg_node, _) = add_node_with_wires(
             self,
             ops::CFG {
-                signature: FunctionType::new(inputs.clone(), output_types.clone())
+                signature: Signature::new(inputs.clone(), output_types.clone())
                     .with_extension_delta(extension_delta),
             },
             input_wires,

hugr-core/src/builder/cfg.rs

@@ -8,7 +8,7 @@ use super::{
 use crate::ops::{self, handle::NodeHandle, DataflowBlock, DataflowParent, ExitBlock, OpType};
 use crate::{
     extension::{ExtensionRegistry, ExtensionSet},
-    types::FunctionType,
+    types::Signature,
 };
 use crate::{hugr::views::HugrView, types::TypeRow};
 
@@ -46,14 +46,14 @@ use crate::{hugr::HugrMut, type_row, Hugr};
 ///     builder::{BuildError, CFGBuilder, Container, Dataflow, HugrBuilder},
 ///     extension::{prelude, ExtensionSet},
 ///     ops, type_row,
-///     types::{FunctionType, SumType, Type},
+///     types::{Signature, SumType, Type},
 ///     Hugr,
 /// };
 ///
 /// const NAT: Type = prelude::USIZE_T;
 ///
 /// fn make_cfg() -> Result<Hugr, BuildError> {
-///     let mut cfg_builder = CFGBuilder::new(FunctionType::new(type_row![NAT], type_row![NAT]))?;
+///     let mut cfg_builder = CFGBuilder::new(Signature::new(type_row![NAT], type_row![NAT]))?;
 ///
 ///     // Outputs from basic blocks must be packed in a sum which corresponds to
 ///     // which successor to pick. We'll either choose the first branch and pass
@@ -82,7 +82,7 @@ use crate::{hugr::HugrMut, type_row, Hugr};
 ///     // `NAT` arguments: one from the `sum_variants` type, and another from the
 ///     // entry node's `other_outputs`.
 ///     let mut successor_builder = cfg_builder.simple_block_builder(
-///         FunctionType::new(type_row![NAT, NAT], type_row![NAT]),
+///         Signature::new(type_row![NAT, NAT], type_row![NAT]),
 ///         1, // only one successor to this block
 ///     )?;
 ///     let successor_a = {
@@ -97,7 +97,7 @@ use crate::{hugr::HugrMut, type_row, Hugr};
 ///
 ///     // The only argument to this block is the entry node's `other_outputs`.
 ///     let mut successor_builder = cfg_builder
-///         .simple_block_builder(FunctionType::new(type_row![NAT], type_row![NAT]), 1)?;
+///         .simple_block_builder(Signature::new(type_row![NAT], type_row![NAT]), 1)?;
 ///     let successor_b = {
 ///         let sum_unary = successor_builder.add_load_value(ops::Value::unary_unit_sum());
 ///         let [in_wire] = successor_builder.input_wires_arr();
@@ -150,7 +150,7 @@ impl<H: AsMut<Hugr> + AsRef<Hugr>> SubContainer for CFGBuilder<H> {
 
 impl CFGBuilder<Hugr> {
     /// New CFG rooted HUGR builder
-    pub fn new(signature: FunctionType) -> Result<Self, BuildError> {
+    pub fn new(signature: Signature) -> Result<Self, BuildError> {
         let cfg_op = ops::CFG {
             signature: signature.clone(),
         };
@@ -248,7 +248,7 @@ impl<B: AsMut<Hugr> + AsRef<Hugr>> CFGBuilder<B> {
     /// This function will return an error if there is an error adding the node.
     pub fn simple_block_builder(
         &mut self,
-        signature: FunctionType,
+        signature: Signature,
         n_cases: usize,
     ) -> Result<BlockBuilder<&mut Hugr>, BuildError> {
         self.block_builder(
@@ -402,7 +402,7 @@ pub(crate) mod test {
         let build_result = {
             let mut module_builder = ModuleBuilder::new();
             let mut func_builder = module_builder
-                .define_function("main", FunctionType::new(vec![NAT], type_row![NAT]))?;
+                .define_function("main", Signature::new(vec![NAT], type_row![NAT]))?;
             let _f_id = {
                 let [int] = func_builder.input_wires_arr();
 
@@ -428,7 +428,7 @@ pub(crate) mod test {
     }
     #[test]
     fn basic_cfg_hugr() -> Result<(), BuildError> {
-        let mut cfg_builder = CFGBuilder::new(FunctionType::new(type_row![NAT], type_row![NAT]))?;
+        let mut cfg_builder = CFGBuilder::new(Signature::new(type_row![NAT], type_row![NAT]))?;
         build_basic_cfg(&mut cfg_builder)?;
         assert_matches!(cfg_builder.finish_prelude_hugr(), Ok(_));
 
@@ -447,8 +447,8 @@ pub(crate) mod test {
             let sum = entry_b.make_sum(1, sum2_variants, [inw])?;
             entry_b.finish_with_outputs(sum, [])?
         };
-        let mut middle_b = cfg_builder
-            .simple_block_builder(FunctionType::new(type_row![NAT], type_row![NAT]), 1)?;
+        let mut middle_b =
+            cfg_builder.simple_block_builder(Signature::new(type_row![NAT], type_row![NAT]), 1)?;
         let middle = {
             let c = middle_b.add_load_const(ops::Value::unary_unit_sum());
             let [inw] = middle_b.input_wires_arr();
@@ -462,7 +462,7 @@ pub(crate) mod test {
     }
     #[test]
     fn test_dom_edge() -> Result<(), BuildError> {
-        let mut cfg_builder = CFGBuilder::new(FunctionType::new(type_row![NAT], type_row![NAT]))?;
+        let mut cfg_builder = CFGBuilder::new(Signature::new(type_row![NAT], type_row![NAT]))?;
         let sum_tuple_const = cfg_builder.add_constant(ops::Value::unary_unit_sum());
         let sum_variants = vec![type_row![]];
 
@@ -475,7 +475,7 @@ pub(crate) mod test {
             entry_b.finish_with_outputs(sum, [])?
         };
         let mut middle_b =
-            cfg_builder.simple_block_builder(FunctionType::new(type_row![], type_row![NAT]), 1)?;
+            cfg_builder.simple_block_builder(Signature::new(type_row![], type_row![NAT]), 1)?;
         let middle = {
             let c = middle_b.load_const(&sum_tuple_const);
             middle_b.finish_with_outputs(c, [inw])?
@@ -490,11 +490,11 @@ pub(crate) mod test {
 
     #[test]
     fn test_non_dom_edge() -> Result<(), BuildError> {
-        let mut cfg_builder = CFGBuilder::new(FunctionType::new(type_row![NAT], type_row![NAT]))?;
+        let mut cfg_builder = CFGBuilder::new(Signature::new(type_row![NAT], type_row![NAT]))?;
         let sum_tuple_const = cfg_builder.add_constant(ops::Value::unary_unit_sum());
         let sum_variants = vec![type_row![]];
-        let mut middle_b = cfg_builder
-            .simple_block_builder(FunctionType::new(type_row![NAT], type_row![NAT]), 1)?;
+        let mut middle_b =
+            cfg_builder.simple_block_builder(Signature::new(type_row![NAT], type_row![NAT]), 1)?;
         let [inw] = middle_b.input_wires_arr();
         let middle = {
             let c = middle_b.load_const(&sum_tuple_const);

hugr-core/src/builder/circuit.rs

@@ -254,13 +254,13 @@ mod test {
         extension::prelude::BOOL_T,
         ops::{custom::OpaqueOp, CustomOp},
         type_row,
-        types::FunctionType,
+        types::Signature,
     };
 
     #[test]
     fn simple_linear() {
         let build_res = build_main(
-            FunctionType::new(type_row![QB, QB], type_row![QB, QB])
+            Signature::new(type_row![QB, QB], type_row![QB, QB])
                 .with_extension_delta(float_types::EXTENSION_ID)
                 .into(),
             |mut f_build| {
@@ -299,10 +299,10 @@ mod test {
             "MyOp",
             "unknown op".to_string(),
             vec![],
-            FunctionType::new(vec![QB, NAT], vec![QB]),
+            Signature::new(vec![QB, NAT], vec![QB]),
         ));
         let build_res = build_main(
-            FunctionType::new(type_row![QB, QB, NAT], type_row![QB, QB, BOOL_T]).into(),
+            Signature::new(type_row![QB, QB, NAT], type_row![QB, QB, BOOL_T]).into(),
             |mut f_build| {
                 let [q0, q1, angle]: [Wire; 3] = f_build.input_wires_arr();
 
@@ -327,7 +327,7 @@ mod test {
     #[test]
     fn ancillae() {
         let build_res = build_main(
-            FunctionType::new(type_row![QB], type_row![QB]).into(),
+            Signature::new(type_row![QB], type_row![QB]).into(),
             |mut f_build| {
                 let mut circ = f_build.as_circuit(f_build.input_wires());
                 assert_eq!(circ.n_wires(), 1);
@@ -363,7 +363,7 @@ mod test {
     #[test]
     fn circuit_builder_errors() {
         let _build_res = build_main(
-            FunctionType::new_endo(type_row![QB, QB]).into(),
+            Signature::new_endo(type_row![QB, QB]).into(),
             |mut f_build| {
                 let mut circ = f_build.as_circuit(f_build.input_wires());
                 let [q0, q1] = circ.tracked_units_arr();

hugr-core/src/builder/conditional.rs

@@ -1,7 +1,7 @@
 use crate::extension::ExtensionRegistry;
 use crate::hugr::views::HugrView;
 use crate::ops::dataflow::DataflowOpTrait;
-use crate::types::{FunctionType, TypeRow};
+use crate::types::{Signature, TypeRow};
 
 use crate::ops;
 use crate::ops::handle::CaseID;
@@ -118,7 +118,7 @@ impl<B: AsMut<Hugr> + AsRef<Hugr>> ConditionalBuilder<B> {
 
         let outputs = cond.outputs;
         let case_op = ops::Case {
-            signature: FunctionType::new(inputs.clone(), outputs.clone())
+            signature: Signature::new(inputs.clone(), outputs.clone())
                 .with_extension_delta(extension_delta.clone()),
         };
         let case_node =
@@ -134,7 +134,7 @@ impl<B: AsMut<Hugr> + AsRef<Hugr>> ConditionalBuilder<B> {
         let dfg_builder = DFGBuilder::create_with_io(
             self.hugr_mut(),
             case_node,
-            FunctionType::new(inputs, outputs).with_extension_delta(extension_delta),
+            Signature::new(inputs, outputs).with_extension_delta(extension_delta),
         )?;
 
         Ok(CaseBuilder::from_dfg_builder(dfg_builder))
@@ -186,7 +186,7 @@ impl ConditionalBuilder<Hugr> {
 
 impl CaseBuilder<Hugr> {
     /// Initialize a Case rooted HUGR
-    pub fn new(signature: FunctionType) -> Result<Self, BuildError> {
+    pub fn new(signature: Signature) -> Result<Self, BuildError> {
         let op = ops::Case {
             signature: signature.clone(),
         };
@@ -233,7 +233,7 @@ mod test {
         let build_result: Result<Hugr, BuildError> = {
             let mut module_builder = ModuleBuilder::new();
             let mut fbuild = module_builder
-                .define_function("main", FunctionType::new(type_row![NAT], type_row![NAT]))?;
+                .define_function("main", Signature::new(type_row![NAT], type_row![NAT]))?;
             let tru_const = fbuild.add_constant(Value::true_val());
             let _fdef = {
                 let const_wire = fbuild.load_const(&tru_const);