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- Typecheck does cross-platform typechecking of source code for all Go build
- platforms.
- The primary benefit is speed: a full Kubernetes cross-build takes 20 minutes
- and >40GB of RAM, while this takes under 2 minutes and <8GB of RAM.
- It uses Go's built-in parsing and typechecking libraries (go/parser and
- go/types), which unfortunately are not what the go compiler uses. Occasional
- mismatches will occur, but overall they correspond closely.
- Failures can be ignored if they don't block the build:
- Things go/types errors on that go build doesn't:
- True errors (according to the spec):
- These should be fixed whenever possible. Ignore if a fix isn't possible
- or is in progress (e.g., vendored code).
- - unused variables in closures
- False errors:
- These should be ignored and reported upstream if applicable.
- - type checking mismatches between staging and generated types
- Things go build fails on that we don't:
- - CGo errors, including syntax and linker errors.
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