9dc59e1506
See issue 1426 for details. Now, the semantics of "export t;" where t is a tag are
to export all of t's variants as well. "export t{};" exports t but not its
variants, while "export t{a, b, c};" exports only variants a, b, c of t.
To do:
- documentation
- there's currently no checking that a, b, c are actually variants of t in the
above example
- there's also no checking that t is an enum type, in the second two examples above
- change the modules listed in issue 1426 that should have the old export
semantics to use the t{} syntax
I deleted the test export-no-tag-variants since we're doing the opposite now,
and other tests cover the same behavior.
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