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Don't complete already used derive attributes

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This commit is contained in:
Lukas Wirth 2021-06-16 19:27:06 +02:00
parent 8f936c5571
commit a92ed1eef4
1 changed files with 20 additions and 20 deletions
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40
crates/ide_completion/src/completions/attribute/derive.rs
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@ -31,6 +31,8 @@ pub(super) fn complete_derive(
let lookup = components.join(", "); let lookup = components.join(", ");
let label = components.iter().rev().join(", "); let label = components.iter().rev().join(", ");
(label, Some(lookup)) (label, Some(lookup))
} else if existing_derives.contains(&derive) {
continue;
} else { } else {
(derive, None) (derive, None)
}; };
@ -139,16 +141,15 @@ pub macro Ord {}
check( check(
r#"#[derive(serde::Serialize, PartialEq, $0)] struct Test;"#, r#"#[derive(serde::Serialize, PartialEq, $0)] struct Test;"#,
expect![[r#" expect![[r#"
at PartialEq at Default
at Default at Eq
at Eq at Eq, PartialOrd, Ord
at Eq, PartialOrd, Ord at Clone, Copy
at Clone, Copy at Debug
at Debug at Clone
at Clone at Hash
at Hash at PartialOrd
at PartialOrd "#]],
"#]],
) )
} }
@ -157,16 +158,15 @@ pub macro Ord {}
check( check(
r#"#[derive($0 serde::Serialize, PartialEq)] struct Test;"#, r#"#[derive($0 serde::Serialize, PartialEq)] struct Test;"#,
expect![[r#" expect![[r#"
at PartialEq at Default
at Default at Eq
at Eq at Eq, PartialOrd, Ord
at Eq, PartialOrd, Ord at Clone, Copy
at Clone, Copy at Debug
at Debug at Clone
at Clone at Hash
at Hash at PartialOrd
at PartialOrd "#]],
"#]],
) )
} }
} }