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use 'if let' instead of match on kind in lower.rs

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This commit is contained in:
adamrk 2020-02-17 11:53:12 +01:00
parent e88eb89132
commit 0e260aa6b1
1 changed files with 4 additions and 6 deletions
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10
crates/ra_hir_ty/src/lower.rs
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@ -806,9 +806,8 @@ fn fn_sig_for_struct_constructor(db: &impl HirDatabase, def: StructId) -> PolyFn
/// Build the type of a tuple struct constructor.
fn type_for_struct_constructor(db: &impl HirDatabase, def: StructId) -> Binders<Ty> {
let struct_data = db.struct_data(def.into());
match struct_data.variant_data.kind() {
StructKind::Unit => return type_for_adt(db, def.into()),
StructKind::Tuple | StructKind::Record => (),
if let StructKind::Unit = struct_data.variant_data.kind() {
return type_for_adt(db, def.into());
}
let generics = generics(db, def.into());
let substs = Substs::bound_vars(&generics);
@ -832,9 +831,8 @@ fn fn_sig_for_enum_variant_constructor(db: &impl HirDatabase, def: EnumVariantId
fn type_for_enum_variant_constructor(db: &impl HirDatabase, def: EnumVariantId) -> Binders<Ty> {
let enum_data = db.enum_data(def.parent);
let var_data = &enum_data.variants[def.local_id].variant_data;
match var_data.kind() {
StructKind::Unit => return type_for_adt(db, def.parent.into()),
StructKind::Record | StructKind::Tuple => (),
if let StructKind::Unit = var_data.kind() {
return type_for_adt(db, def.parent.into());
}
let generics = generics(db, def.parent.into());
let substs = Substs::bound_vars(&generics);