feat: unary operator ! support and std.not#2346
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! support and std.not
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Pull request overview
Adds support for the TGSL unary ! operator during WGSL generation and introduces/extends std.not to cover vector boolean negation and numeric→boolean conversions, with accompanying tests and snapshot updates.
Changes:
- Implement TGSL unary
!codegen with compile-time folding plus runtime numeric/boolean handling. - Add/extend
std.notto support scalars and vectors (including numeric vectors) with correct WGSL emission. - Expand test coverage and update docs example snapshots affected by the new negation behavior.
Reviewed changes
Copilot reviewed 6 out of 6 changed files in this pull request and generated 2 comments.
Show a summary per file
| File | Description |
|---|---|
| packages/typegpu/tests/tgsl/wgslGenerator.test.ts | Adds integration tests for unary ! across comptime/runtime cases and error/warn behavior. |
| packages/typegpu/tests/std/boolean/not.test.ts | Expands std.not unit + codegen tests for scalars/vectors and error cases. |
| packages/typegpu/src/tgsl/wgslGenerator.ts | Adds unary ! operator support in the generator with runtime type handling and diagnostics. |
| packages/typegpu/src/std/boolean.ts | Redefines std.not signature/codegen and CPU implementation to support scalar + vector negation. |
| packages/typegpu/src/data/wgslTypes.ts | Adds an isBool schema guard used by std.not codegen. |
| apps/typegpu-docs/tests/individual-example-tests/tgsl-parsing-test.test.ts | Updates snapshot output impacted by negation constant-folding and new behavior. |
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iwoplaza
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Apr 10, 2026
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Awesome push forward! 💜🙏
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Changes:
std.notDifferences between them:
