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Add checks for conflicts for aliases

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- Check that alias is not the same as name of other field (it still can be the name of owning field/variant)
- Check that aliases are unique, i. e. two different fields does not use the same alias
This commit is contained in:
Mingun
2023-08-08 22:07:22 +05:00
parent 58a8d22931
commit 5f9fffa53e
5 changed files with 360 additions and 1 deletions
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test_suite/tests/ui/conflict/alias.stderr
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error: alias `b` conflicts with deserialization name of other field
--> tests/ui/conflict/alias.rs:5:5
|
5 | / /// Expected error on "alias b", because this is a name of other field
6 | | /// Error on "alias a" is not expected because this is a name of this field
7 | | /// Error on "alias c" is not expected because field `c` is skipped
8 | | #[serde(alias = "a", alias = "b", alias = "c")]
9 | | a: (),
| |_________^
error: alias `c` already used by field a
--> tests/ui/conflict/alias.rs:11:5
|
11 | / /// Expected error on "alias c", because it is already used as alias of `a`
12 | | #[serde(alias = "c")]
13 | | b: (),
| |_________^
error: alias `c` conflicts with deserialization name of other field
--> tests/ui/conflict/alias.rs:21:5
|
21 | / /// Expected error on "alias c", because this is a name of other field after
22 | | /// applying rename rules
23 | | #[serde(alias = "b", alias = "c")]
24 | | a: (),
| |_________^
error: alias `B` conflicts with deserialization name of other field
--> tests/ui/conflict/alias.rs:33:5
|
33 | / /// Expected error on "alias B", because this is a name of field after
34 | | /// applying rename rules
35 | | #[serde(alias = "B", alias = "c")]
36 | | a: (),
| |_________^