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tailscale/cmd/viewer/tests
Nick Khyl 03acab2639 cmd/cloner, cmd/viewer, util/codegen: add support for aliases of cloneable types
We have several checked type assertions to *types.Named in both cmd/cloner and cmd/viewer.
As Go 1.23 updates the go/types package to produce Alias type nodes for type aliases,
these type assertions no longer work as expected unless the new behavior is disabled
with gotypesalias=0.

In this PR, we add codegen.NamedTypeOf(t types.Type), which functions like t.(*types.Named)
but also unrolls type aliases. We then use it in place of type assertions in the cmd/cloner and
cmd/viewer packages where appropriate.

We also update type switches to include *types.Alias alongside *types.Named in relevant cases,
remove *types.Struct cases when switching on types.Type.Underlying and update the tests
with more cases where type aliases can be used.

Updates #13224
Updates #12912

Signed-off-by: Nick Khyl <nickk@tailscale.com>
3 months ago
..
tests.go cmd/cloner, cmd/viewer, util/codegen: add support for aliases of cloneable types 3 months ago
tests_clone.go cmd/cloner, cmd/viewer, util/codegen: add support for aliases of cloneable types 3 months ago
tests_view.go cmd/cloner, cmd/viewer, util/codegen: add support for aliases of cloneable types 3 months ago