Use inferred union variant names in more cases #894
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arlyon
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| @@ -863,7 +863,7 @@ impl<'de> ::serde::Deserialize<'de> for Ipv6Net { | |||
| pub enum JankNames { | |||
| Variant0(::std::string::String), | |||
| Variant1(::std::collections::HashMap<::std::string::String, ::std::string::String>), | |||
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These clash and so stay as Variant0 and Variant1, however the object variant will be given a descriptive name.
There is an argument to be made to call them <INFERRED_NAME>0 and <INFERRED_NAME>1 instead. It is fairly easy to add. Will let you make the call.
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This is surprising. Variants 0 and 1 have the same title; variants 1 and 2 have the same type (object).
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The clash is resolved at the name level, and the heuristic currently only produces a single name (rather than a ranked list of Variant1 or else Object for example) and so there is a clash for the first 2 but not the third.
Will be irrelevant when I revert the best-effort name resolution in favour of all-or-nothing.
typify-impl/src/enums.rs
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| // Store seen, un-stripped names here. Any item for which their | ||
| // name appears more than once, ALL the items with that clashing | ||
| // name will be converted to the `VariantN` scheme. |
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I realize this is a matter of aesthetics, but I don't think we should mix naming schemes: either we have a "good" name that we derive from the schema or the type and is unique, or we use Variant{n}. I think that mix and match is worse.
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Your call. I will revert that part of the functionality but leave it in a separate commit in case the opinion changes.
| @@ -863,7 +863,7 @@ impl<'de> ::serde::Deserialize<'de> for Ipv6Net { | |||
| pub enum JankNames { | |||
| Variant0(::std::string::String), | |||
| Variant1(::std::collections::HashMap<::std::string::String, ::std::string::String>), | |||
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This is surprising. Variants 0 and 1 have the same title; variants 1 and 2 have the same type (object).
|
Feedback addressed. Thank you for the prompt reply 🥇 |
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Ok, pared back the impl and added support for format which as added DateTime, Uuid, and Uri. 🎉 |
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This is a breaking change.
This PR achieves two things:
change the logic to allow for combinations of named an unnamed (VariantN) variants in enums, rather than an all-or-nothing approachYou can see the outcome on the codegen from the snapshot tests, and I have included a new snapshot test that exercises the partially-named case.
I decided to keep the Variant number as its index in the overall type list, not as its index amongst unnamed types such that its name is stable under the addition or removal of metadata earlier in the schema that would add or remove inferred names.
This also changes the behaviour upon encountering duplicates. Previously, there was a later check to assert the code did not produce them. Now, in the case that the inferred name is the same for two or more variants, we just eject the affected enum back to
VariantN