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x/tools/internal/refactor/inline,x/tools/gopls: undo variadic elimination when it is safe to do so #63717

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findleyr opened this issue Oct 24, 2023 · 1 comment
Open

x/tools/internal/refactor/inline,x/tools/gopls: undo variadic elimination when it is safe to do so #63717

findleyr opened this issue Oct 24, 2023 · 1 comment
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gopls Issues related to the Go language server, gopls. Refactoring Issues related to refactoring tools Tools This label describes issues relating to any tools in the x/tools repository.
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gopls/v0.16.0

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@findleyr
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Follow up on this comment on a semi-automated CL: https://go-review.git.corp.google.com/c/tools/+/537475/1/gopls/internal/lsp/source/rename.go#973

The inliner should undo variadic elimination (packing variadic arguments as []T{...}) when it is safe to do so. As a result of the current logic, the inliner may introduce this redundancy at the callsite.

CC @adonovan
@findleyr findleyr added gopls Issues related to the Go language server, gopls. Tools This label describes issues relating to any tools in the x/tools repository. labels Oct 24, 2023
@findleyr findleyr added this to the gopls/v0.15.0 milestone Oct 24, 2023
@findleyr findleyr added the Refactoring Issues related to refactoring tools label Oct 24, 2023
@adonovan
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adonovan commented Oct 25, 2023 •
edited

FWIW, "Safe to do so" means there is exactly one use of the parameter in the callee body and it is the final argument of an ellipsis call f(param...).

@findleyr findleyr modified the milestones: gopls/v0.15.0, gopls/v0.16.0 Dec 12, 2023
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gopls Issues related to the Go language server, gopls. Refactoring Issues related to refactoring tools Tools This label describes issues relating to any tools in the x/tools repository.
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