… Add license.

Co-authored-by: doug-q <141026920+doug-q@users.noreply.github.com>

feat: Emission for Call nodes

fix: Syntax error

chore: Add issue-to-project.yml, enable coverage

They were pointing to an invalid source directory.

ci: Fix change-filters

fix: sum type tag elision logic reversed

test: add a test for sum type tags

feat: Support `FunctionType` values

Note that this extension is not intended to be complete, just enough to
get started.

We include some simplification of test infrastructure, although it is
not strictly necessary. An earlier approach required these changes.

We take this opportunity to move some auxilliary code out of emit.rs,
and to fix up some docs in fat.rs.

BREAKING CHANGE: `Namer::new` takes an additional parameter.

---------

Co-authored-by: Alec Edgington <54802828+cqc-alec@users.noreply.github.com>

…33)

Co-authored-by: Mark Koch <48097969+mark-koch@users.noreply.github.com>

We take the opportunity to tidy up cfg.rs a bit.

`impl Copy for FatNode` will now work, and many other methods now have
more appropriate lifetime constraints. The borrow checker will thank
you.

We add `FatNode::try_new_hierarchy_view`.

will enable "require review from codeowners" after this

Publishing to crates.io is disabled until the crate is released.

Closes #43

…ts, and CFG nodes (#46)

We take the opportunity to fix a bug where the promise to ignore
duplicate calls to `emit_func` was not upheld, and to clean up the now
unnecessary `Emission`.

Fixes #4 , although we go further than required by this issue.

BREAKING CHANGE: rename `emit_global` to `emit_func`. Replace `Emission`
type with `FatNode<FuncDefn>`.

…initial release (#48)

closes #36

---------

Co-authored-by: Alec Edgington <54802828+cqc-alec@users.noreply.github.com>

## 🤖 New release
* `hugr-llvm`: 0.1.0

<details><summary><i><b>Changelog</b></i></summary><p>

<blockquote>

## [0.1.0](https://github.com/CQCL/hugr-llvm/releases/tag/v0.1.0) -
2024-07-10

### Bug Fixes
- Syntax error
- sum type tag elision logic reversed
- [**breaking**] Allow Const and FuncDecl as children of Modules,
Dataflow Parents, and CFG nodes
([#46](CQCL/hugr-llvm#46))

### Documentation
- fix bad grammar ([#34](CQCL/hugr-llvm#34))

### New Features
- Emission for Call nodes
- Support  values
- add `get_extern_func`
([#28](CQCL/hugr-llvm#28))
- lower CFGs ([#26](CQCL/hugr-llvm#26))
- Add initial codegen extension for `prelude`
([#29](CQCL/hugr-llvm#29))
- [**breaking**] `Namer` optionally appends node index to mangled names.
([#32](CQCL/hugr-llvm#32))
- Implement lowerings for ieq,ilt_s,sub in int codegen extension
([#33](CQCL/hugr-llvm#33))
- Add initial `float` extension
([#31](CQCL/hugr-llvm#31))
- Emit more int comparison operators
([#47](CQCL/hugr-llvm#47))

### Refactor
- clean up fat.rs ([#38](CQCL/hugr-llvm#38))

### Testing
- add a test for sum type tags
- Add integration tests lowering guppy programs
([#35](CQCL/hugr-llvm#35))
</blockquote>


</p></details>

---
This PR was generated with
[release-plz](https://github.com/MarcoIeni/release-plz/).

---------

Co-authored-by: Douglas Wilson <douglas.wilson@quantinuum.com>

This gives us a language to distinguish between Hugr Types and LLVM
types. It will help with the coming hugr::types::FunctionType ->
hugr::types::Signature change

BREAKING CHANGE: hugr types in signatures have changed

The payoff here is in the simplification of lowering of `CFG` and
`Conditional`. By factoring out the destructuring logic, we will be able
to reuse this in other places. In particular generating destructors.
This has the unfortunate side-effect of changing the test case output.
The price one pays for these golden tests.

BREAKING CHANGE: some types in public interfaces have changed slightly,
in particular variant tags are now consistently `usize`

Note that due to circular dependencies, we are temporarily pinning to a
guppy git commit

## 🤖 New release
* `hugr-llvm`: 0.1.0 -> 0.2.0

<details><summary><i><b>Changelog</b></i></summary><p>

<blockquote>

## [0.2.0](CQCL/hugr-llvm@v0.1.0...v0.2.0) -
2024-07-31

### New Features
- make EmitFuncContext::iw_context pub
([#55](CQCL/hugr-llvm#55))

### Refactor
- use HugrFuncType/HugrType/HugrSumType
([#56](CQCL/hugr-llvm#56))
- remove unneeded `HugrView` constraints
([#59](CQCL/hugr-llvm#59))
- [**breaking**] add `LLVMSumValue`
([#63](CQCL/hugr-llvm#63))

### Testing
- Add test for LoadFunction Op
([#60](CQCL/hugr-llvm#60))
</blockquote>


</p></details>

---
This PR was generated with
[release-plz](https://github.com/MarcoIeni/release-plz/).

---------

Co-authored-by: Douglas Wilson <douglas.wilson@quantinuum.com>

add load function to llvm generation

solves CQCL/hugr-llvm#9

Fixed versions tend to get stale (it already happened here), and in
general is easier to call `cargo add` rather than modify the toml by
hand.

This should solve the issue where CI checks wouldn't run in release PRs
unless a human triggered an update.

See
https://github.com/MarcoIeni/release-plz/blob/main/website/docs/github/token.md#use-a-personal-access-token

Replaces the local definitions with
[hugrverse-action](https://github.com/CQCL/hugrverse-actions)'s.

Closes #10

The main change here is changing the github token to a fine-grained one
with access to the other organization's project.

Closes #75

## 🤖 New release
* `hugr-llvm`: 0.2.0 -> 0.2.1

<details><summary><i><b>Changelog</b></i></summary><p>

<blockquote>

## [0.2.1](CQCL/hugr-llvm@v0.2.0...v0.2.1) -
2024-08-19

### Documentation
- Remove fixed crate version in usage instructions
([#68](CQCL/hugr-llvm#68))

### New Features
- Add lowering for LoadFunction
([#65](CQCL/hugr-llvm#65))
- Emission for CallIndirect nodes
([#73](CQCL/hugr-llvm#73))
</blockquote>


</p></details>

---
This PR was generated with
[release-plz](https://github.com/MarcoIeni/release-plz/).

Closes #79.

Adds lowering logic for:
* String type and `ConstString` (c-style)
* Error type and `ConstError`
* Print op (lowers to libc `printf` by default)
* Panic op (lowers to libc `abort` by default)

BREAKING CHANGE: `CodegenExtension::emitter` has a new lifetime bound on
the `self` argument. `PreludeCodegen` trait now requires `Clone`.

Closes #21.

There are still some missing operations that should be supported by
llvm, but are not binded by inkwell :/

I modified the `check_emissions!` macro to work inside rstest's
`#[case]`s

Closes #23

Closes #24

## 🤖 New release
* `hugr-llvm`: 0.2.1 -> 0.3.0

<details><summary><i><b>Changelog</b></i></summary><p>

<blockquote>

## [0.3.0](CQCL/hugr-llvm@v0.2.1...v0.3.0) -
2024-08-27

### New Features
- [**breaking**] Lower string, print, and panic
([#78](CQCL/hugr-llvm#78))
- Lower float operations
([#83](CQCL/hugr-llvm#83))
- Lower logic extension
([#81](CQCL/hugr-llvm#81))
- Lower arrays ([#82](CQCL/hugr-llvm#82))
</blockquote>


</p></details>

---
This PR was generated with
[release-plz](https://github.com/MarcoIeni/release-plz/).

Add emission for multiplication, division, remainder and negation ops

Closes #20

---------

Co-authored-by: Agustín Borgna <121866228+aborgna-q@users.noreply.github.com>

## 🤖 New release
* `hugr-llvm`: 0.3.0 -> 0.3.1

<details><summary><i><b>Changelog</b></i></summary><p>

<blockquote>

## [0.3.1](CQCL/hugr-llvm@v0.3.0...v0.3.1) -
2024-08-28

### New Features
- Emit more int operations
([#87](CQCL/hugr-llvm#87))
</blockquote>


</p></details>

---
This PR was generated with
[release-plz](https://github.com/MarcoIeni/release-plz/).

We ignore the guppy tests as guppy has not yet been updated for the new
hugr version.

BREAKING CHANGE: Require `hugr-0.12.0`

## 🤖 New release
* `hugr-llvm`: 0.3.1 -> 0.4.0

<details><summary><i><b>Changelog</b></i></summary><p>

<blockquote>

## [0.3.1](CQCL/hugr-llvm@v0.3.0...v0.3.1) -
2024-08-28

### New Features
- Emit more int operations
([#87](CQCL/hugr-llvm#87))
</blockquote>


</p></details>

---
This PR was generated with
[release-plz](https://github.com/MarcoIeni/release-plz/).

Co-authored-by: Alec Edgington <54802828+cqc-alec@users.noreply.github.com>

Work towards #22, but since we updated to hugr 0.12.0 there are more
operations in `arithmetic.conversions`. I'll implement those in a
separate PR.

---------

Co-authored-by: Mark Koch <48097969+mark-koch@users.noreply.github.com>

BREAKING CHANGE: `emit_new_array_alloc` is replaced by the more general
`emit_array_op`

---------

Co-authored-by: Craig Roy <croyzor@users.noreply.github.com>

Closes #22

---------

Co-authored-by: Craig Roy <craig.roy@cambridgequantum.com>
Co-authored-by: Craig Roy <croyzor@users.noreply.github.com>
Co-authored-by: Mark Koch <48097969+mark-koch@users.noreply.github.com>

#100)

Co-authored-by: Alec Edgington <54802828+cqc-alec@users.noreply.github.com>

## 🤖 New release
* `hugr-llvm`: 0.4.0 -> 0.5.0

<details><summary><i><b>Changelog</b></i></summary><p>

<blockquote>

## [0.5.0](CQCL/hugr-llvm@v0.4.0...v0.5.0) -
2024-09-16

### New Features

- Add emitters for int <-> float/usize conversions
([#94](CQCL/hugr-llvm#94))
- [**breaking**] array ops
([#96](CQCL/hugr-llvm#96))
- Add conversions itobool, ifrombool
([#101](CQCL/hugr-llvm#101))
- Add `tket2` feature and lowerings for `tket2.rotation` extension
([#100](CQCL/hugr-llvm#100))

### Testing

- Add execution test framework
([#97](CQCL/hugr-llvm#97))
</blockquote>


</p></details>

---
This PR was generated with
[release-plz](https://github.com/MarcoIeni/release-plz/).

…#105)

Also sanitizes the READMEs a bit.

The last attempt to publish a crate using release PR #98
[failed](https://github.com/CQCL/hugr-llvm/actions/runs/10886782954/job/30207610938)
with:
```
error: failed to publish to registry at https://crates.io/
    
    Caused by:
      the remote server responded with an error (status 400 Bad Request): wildcard (`*`) dependency constraints are not allowed on crates.io. Crate with this problem: `serde` See https://doc.rust-lang.org/cargo/faq.html#can-libraries-use--as-a-version-for-their-dependencies for more information
```

Co-authored-by: Alec Edgington <54802828+cqc-alec@users.noreply.github.com>

## 🤖 New release
* `hugr-llvm`: 0.5.0 -> 0.5.1 (✓ API compatible changes)

<details><summary><i><b>Changelog</b></i></summary><p>

<blockquote>

## [0.5.1](CQCL/hugr-llvm@v0.5.0...v0.5.1) -
2024-09-23

### New Features

- provide `inline_constant_functions`
([#108](CQCL/hugr-llvm#108))
</blockquote>


</p></details>

---
This PR was generated with
[release-plz](https://github.com/MarcoIeni/release-plz/).

BREAKING CHANGE: Remove trait `EmitOp`

`CodegenExtension` is replaced with a new trait of the same name, that
instead of defining extension behaviour provides a convenient interface
for registering a set of extensions. The `prelude` extension gives the
best example, exercising all the features.

Extensions are now registered via methods on `CodegenExtsBuilder`, each
method takes a callback that is stored in the builder. The builder is
consumed by `finish` which returns a collection of "Callback Maps". One
of the big wins here is that the "Type Callback Map" does not depend on
a `H: HugrView` parameter.

The "root" `&'c Context` now lives in `EmitModuleContext`, as well as in
`TypingSession`.

`TypeConverter` is now the "Type Callback Map". This is implemented
using the new `src/utils/type_map.rs`, which we intend to leverage for
computing "def-hooks" and "destructors" for types.
 
We go to some effort to ensure the callbacks are not required to have
`'static` lifetimes, nothing inside `crate::custom` assumes or requires
this. However, we do in several places (e.g. `TypingSession`,
`EmitModuleContext`) fix these lifetimes to `'static`, in lieu of adding
additional lifetime parameters to these types.

We have removed the `guppy.rs` test case, which was ignored, rather than
rework it to use the new interface.
Otherwise, test cases are largely unchanged, and there are no snapshot
changes.

All extensions have been changed to use the new interface, which is
largely just moving code around. In some cases error messages are
consolidated by the new tools providing more appropriate inputs to
extension points. See for example `CodegenExtsBuilder::custom_const`.


At several points we mark TODO refactorings that will be carried out in
the near future.

BREAKING CHANGE: extensions interface in `src/custom.rs` entirely
reworked.

---------

Co-authored-by: Agustín Borgna <121866228+aborgna-q@users.noreply.github.com>

…xtension` (#126)

Closes #121.

BREAKING CHANGE: moved extension modules from `crate::custom` to
`crate::extension`. Moved `crate::fat` to `crate::utils::fat`.

Closes #127.

BREAKING CHANGE: Add a lifetime argument to `TypingSession`,
`EmitModuleContext`, `EmitHugr`, `EmitFuncContext`.

Note that updating `rustc` caused several errors, which are fixed here.
New clippy suggestions are also applied.

The linked bug was resolved a while ago.

Closes #103

Closes #132 

BREAKING CHANGE: `PreludeCodegen::emit_panic` now takes a single
configurable value.

## 🤖 New release
* `hugr-llvm`: 0.5.1 -> 0.6.0 (⚠️ API breaking changes)

### ⚠️ `hugr-llvm` breaking changes

```
--- failure auto_trait_impl_removed: auto trait no longer implemented ---

Description:
A public type has stopped implementing one or more auto traits. This can break downstream code that depends on the traits being implemented.
        ref: https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.36.0/src/lints/auto_trait_impl_removed.ron

Failed in:
  type TypeConverter is no longer UnwindSafe, in /tmp/.tmpGjujM0/hugr-llvm/src/types.rs:59
  type TypeConverter is no longer RefUnwindSafe, in /tmp/.tmpGjujM0/hugr-llvm/src/types.rs:59

--- failure derive_trait_impl_removed: built-in derived trait no longer implemented ---

Description:
A public type has stopped deriving one or more traits. This can break downstream code that depends on those types implementing those traits.
        ref: https://doc.rust-lang.org/reference/attributes/derive.html#derive
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.36.0/src/lints/derive_trait_impl_removed.ron

Failed in:
  type TypeConverter no longer derives Copy, in /tmp/.tmpGjujM0/hugr-llvm/src/types.rs:59
  type TypeConverter no longer derives Clone, in /tmp/.tmpGjujM0/hugr-llvm/src/types.rs:59
  type TypeConverter no longer derives Debug, in /tmp/.tmpGjujM0/hugr-llvm/src/types.rs:59

--- failure function_missing: pub fn removed or renamed ---

Description:
A publicly-visible function cannot be imported by its prior path. A `pub use` may have been removed, or the function itself may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.36.0/src/lints/function_missing.ron

Failed in:
  function hugr_llvm::custom::prelude::array::emit_array_op, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/prelude/array.rs:51
  function hugr_llvm::custom::int::add_int_extensions, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/int.rs:226
  function hugr_llvm::custom::rotation::add_rotation_extensions, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/rotation.rs:196
  function hugr_llvm::custom::prelude::add_prelude_extensions, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/prelude.rs:295
  function hugr_llvm::custom::float::add_float_extensions, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/float.rs:186
  function hugr_llvm::custom::conversions::add_conversions_extension, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/conversions.rs:270
  function hugr_llvm::custom::logic::add_logic_extensions, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/logic.rs:106
  function hugr_llvm::custom::prelude::add_default_prelude_extensions, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/prelude.rs:304

--- failure inherent_method_missing: pub method removed or renamed ---

Description:
A publicly-visible method or associated fn is no longer available under its prior name. It may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.36.0/src/lints/inherent_method_missing.ron

Failed in:
  TypeConverter::new, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/types.rs:107
  TypeConverter::iw_context, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/types.rs:112
  CodegenExtsMap::add_float_extensions, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/float.rs:192
  CodegenExtsMap::add_int_extensions, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/int.rs:234
  CodegenExtsMap::add_logic_extensions, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/logic.rs:113
  CodegenExtsMap::add_default_prelude_extensions, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/prelude.rs:311
  CodegenExtsMap::add_prelude_extensions, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/prelude.rs:317
  CodegenExtsMap::add_rotation_extensions, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/rotation.rs:201
  CodegenExtsMap::new, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom.rs:88
  CodegenExtsMap::add_cge, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom.rs:97
  CodegenExtsMap::get, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom.rs:110
  CodegenExtsMap::llvm_type, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom.rs:120
  CodegenExtsMap::emit, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom.rs:130
  CodegenExtsMap::load_constant, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom.rs:145

--- failure module_missing: pub module removed or renamed ---

Description:
A publicly-visible module cannot be imported by its prior path. A `pub use` may have been removed, or the module may have been renamed, removed, or made non-public.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.36.0/src/lints/module_missing.ron

Failed in:
  mod hugr_llvm::custom::conversions, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/conversions.rs:1
  mod hugr_llvm::custom::logic, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/logic.rs:1
  mod hugr_llvm::custom::int, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/int.rs:1
  mod hugr_llvm::custom::prelude, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/prelude.rs:1
  mod hugr_llvm::fat, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/fat.rs:1
  mod hugr_llvm::custom::float, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/float.rs:1
  mod hugr_llvm::custom::rotation, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/rotation.rs:1
  mod hugr_llvm::custom::prelude::array, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/prelude/array.rs:1

--- failure struct_missing: pub struct removed or renamed ---

Description:
A publicly-visible struct cannot be imported by its prior path. A `pub use` may have been removed, or the struct itself may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.36.0/src/lints/struct_missing.ron

Failed in:
  struct hugr_llvm::custom::logic::LogicCodegenExtension, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/logic.rs:78
  struct hugr_llvm::fat::FatNode, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/fat.rs:28
  struct hugr_llvm::custom::int::IntOpsCodegenExtension, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/int.rs:120
  struct hugr_llvm::custom::prelude::PreludeCodegenExtension, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/prelude.rs:174
  struct hugr_llvm::custom::float::FloatTypesCodegenExtension, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/float.rs:27
  struct hugr_llvm::emit::NullEmitLlvm, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/emit.rs:52
  struct hugr_llvm::custom::conversions::ConversionsCodegenExtension, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/conversions.rs:244
  struct hugr_llvm::custom::prelude::DefaultPreludeCodegen, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/prelude.rs:169
  struct hugr_llvm::custom::int::IntTypesCodegenExtension, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/int.rs:150
  struct hugr_llvm::custom::rotation::RotationCodegenExtension, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/rotation.rs:30

--- failure trait_method_added: pub trait method added ---

Description:
A non-sealed public trait added a new method without a default implementation, which breaks downstream implementations of the trait
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#trait-new-item-no-default
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.36.0/src/lints/trait_method_added.ron

Failed in:
  trait method hugr_llvm::custom::CodegenExtension::add_extension in file /tmp/.tmpGjujM0/hugr-llvm/src/custom.rs:41

--- failure trait_method_missing: pub trait method removed or renamed ---

Description:
A trait method is no longer callable, and may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#major-any-change-to-trait-item-signatures
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.36.0/src/lints/trait_method_missing.ron

Failed in:
  method extension of trait CodegenExtension, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom.rs:38
  method supported_consts of trait CodegenExtension, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom.rs:44
  method llvm_type of trait CodegenExtension, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom.rs:50
  method emitter of trait CodegenExtension, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom.rs:58
  method load_constant of trait CodegenExtension, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom.rs:68

--- failure trait_missing: pub trait removed or renamed ---

Description:
A publicly-visible trait cannot be imported by its prior path. A `pub use` may have been removed, or the trait itself may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.36.0/src/lints/trait_missing.ron

Failed in:
  trait hugr_llvm::emit::EmitOp, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/emit.rs:45
  trait hugr_llvm::custom::prelude::PreludeCodegen, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/custom/prelude.rs:52
  trait hugr_llvm::fat::FatExt, previously in file /tmp/.tmpu0X9jI/hugr-llvm/src/fat.rs:313

--- failure trait_no_longer_object_safe: trait no longer object safe ---

Description:
Trait is no longer object safe, which breaks `dyn Trait` usage.
        ref: https://doc.rust-lang.org/stable/reference/items/traits.html#object-safety
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.36.0/src/lints/trait_no_longer_object_safe.ron

Failed in:
  trait CodegenExtension in file /tmp/.tmpGjujM0/hugr-llvm/src/custom.rs:38
```

<details><summary><i><b>Changelog</b></i></summary><p>

<blockquote>

## [0.6.0](CQCL/hugr-llvm@v0.5.1...v0.6.0) -
2024-10-21

### Bug Fixes

- Conversion operations having poison results
([#131](CQCL/hugr-llvm#131))

### New Features

- [**breaking**] Allow extension callbacks to have non-`'static`
lifetimes ([#128](CQCL/hugr-llvm#128))
- [**breaking**] Support `tket2.rotation.from_halfturns_unchecked`
([#133](CQCL/hugr-llvm#133))

### Refactor

- [**breaking**] remove trait emit op
([#104](CQCL/hugr-llvm#104))
- [**breaking**] rework extensions interface
([#119](CQCL/hugr-llvm#119))
- [**breaking**] move packaged extensions from `crate::custom` to
`crate::extension` ([#126](CQCL/hugr-llvm#126))
</blockquote>


</p></details>

---
This PR was generated with
[release-plz](https://github.com/MarcoIeni/release-plz/).

git-subtree-dir: hugr-llvm
git-subtree-mainline: c5b597d
git-subtree-split: 2d9bfce