Make exact and non-exact heap types the same case#106
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Previously the definition of `heaptype` was `... | EXACT typeuse | typeuse`, but this made it impossible to treat the exactness as a variable. Refactor the definition to `... | _HT exact? typeuse` instead. This is similar to how nullability is treated in reference types, except that the `_HT` tag will not be displayed in the rendered spec.
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The only problem with this is that non-exact references now render with extra parentheses, e.g. |
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I figured out the parentheses. This should be good to go. |
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Previously the definition of
heaptypewas... | EXACT typeuse | typeuse, but this made it impossible to treat the exactness as a variable. Refactor the definition to... | _HT exact? typeuseinstead. This is similar to how nullability is treated in reference types, except that the_HTtag will not be displayed in the rendered spec.