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Merge #8557

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8557: Add an error message to fixture errors r=Veykril a=yoshuawuyts

Improve the error message when folks forget to add an `$0` in one of the fixtures. Figuring this one out was 20 minutes down the drain for me, so figured I might as well make sure nobody else has to go through the same thing in the future. Thanks!

Co-authored-by: Yoshua Wuyts <yoshuawuyts@gmail.com>
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bors[bot] 2021-04-17 14:51:42 +00:00 • committed by GitHub
commit eb38dc704f
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crates/base_db/src/fixture.rs
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@ -54,7 +54,9 @@ pub trait WithFixture: Default + SourceDatabaseExt + 'static {
let fixture = ChangeFixture::parse(ra_fixture); let fixture = ChangeFixture::parse(ra_fixture);
let mut db = Self::default(); let mut db = Self::default();
fixture.change.apply(&mut db); fixture.change.apply(&mut db);
let (file_id, range_or_offset) = fixture.file_position.unwrap(); let (file_id, range_or_offset) = fixture
.file_position
.expect("Could not find file position in fixture. Did you forget to add an `$0`?");
(db, file_id, range_or_offset) (db, file_id, range_or_offset)
} }