dd4ecd1cf4
Detect empty leading where clauses on type aliases 1. commit: refactor the AST of type alias where clauses * I could no longer bear the look of `.0.1` and `.1.0` * Arguably moving `split` out of `TyAlias` into a substruct might not make that much sense from a semantic standpoint since it reprs an index into `TyAlias.predicates` but it's alright and it cleans up the usage sites of `TyAlias` 2. commit: fix an oversight: An empty leading where clause is still a leading where clause * semantically reject empty leading where clauses on lazy type aliases * e.g., on `#![feature(lazy_type_alias)] type X where = ();` * make empty leading where clauses on assoc types trigger lint `deprecated_where_clause_location` * e.g., `impl Trait for () { type X where = (); }` |
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Cargo.toml | ||
messages.ftl |