Pull Requests

Fixed a bug where nested with modifier blocks (dagger, control, power) silently ignored outer modifier constraints instead of correctly propagating them through the compilation pipeline.

Added a dedicated error diagnostic for using Guppy functions or types inside comptime() expressions, replacing raw Python tracebacks with a message that explains the problem and how to fix it.

Fixed a file system bug where Guppy looked for WASM modules relative to the current working directory instead of the source file's location, breaking Jupyter notebook workflows.

Improved error messages when a quantum struct member causes a linearity violation — errors now point at the specific member rather than internal data, making bugs easier to diagnose.

Fixed a compiler bug where leaked qubits would generate error messages blaming the wrong location — pointing at a branch condition instead of the unconditional leak.

Added the missing reverse boolean operator methods (__rand__, __ror__, __rxor__) so boolean operations work correctly regardless of operand order, matching standard Python behavior.

Added an array_swap function that compiles directly to HUGR's native swap op, replacing a less efficient workaround and giving developers a clean path from high-level Python to optimized operations.

Added a compile-time linearity check that catches duplicate array index usage in function calls before the program runs, preventing runtime panics for linear types like qubits.

Fixed an error that blamed the list container when the real problem was an unsupported NumPy integer inside it — errors now identify the actual element type causing the issue.

Implemented compile-time bounds checking for Guppy arrays when the array size and index are statically known, catching out-of-bounds errors at compile time rather than runtime.

Added module-level docstrings across Guppy's standard library, giving each module a clear description for IDE tooltips and automated documentation tooling.