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insert dummy values for const generics in subst

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This commit is contained in:
hkalbasi 2022-03-08 19:51:35 +03:30
parent 4924072493
commit 1282178783
12 changed files with 176 additions and 62 deletions
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8
crates/hir/src/display.rs
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@ -293,7 +293,7 @@ fn write_generic_params(def: GenericDefId, f: &mut HirFormatter) -> Result<(), H
let params = f.db.generic_params(def);
if params.lifetimes.is_empty()
&& params
.types
.tocs
.iter()
.filter_map(|x| x.1.type_param())
.all(|param| !matches!(param.provenance, TypeParamProvenance::TypeParamList))
@ -315,7 +315,7 @@ fn write_generic_params(def: GenericDefId, f: &mut HirFormatter) -> Result<(), H
delim(f)?;
write!(f, "{}", lifetime.name)?;
}
for (_, ty) in params.types.iter() {
for (_, ty) in params.tocs.iter() {
if let Some(name) = &ty.name() {
match ty {
TypeOrConstParamData::TypeParamData(ty) => {
@ -348,7 +348,7 @@ fn write_where_clause(def: GenericDefId, f: &mut HirFormatter) -> Result<(), Hir
// unnamed type targets are displayed inline with the argument itself, e.g. `f: impl Y`.
let is_unnamed_type_target = |target: &WherePredicateTypeTarget| match target {
WherePredicateTypeTarget::TypeRef(_) => false,
WherePredicateTypeTarget::TypeOrConstParam(id) => params.types[*id].name().is_none(),
WherePredicateTypeTarget::TypeOrConstParam(id) => params.tocs[*id].name().is_none(),
};
let has_displayable_predicate = params
@ -364,7 +364,7 @@ fn write_where_clause(def: GenericDefId, f: &mut HirFormatter) -> Result<(), Hir
let write_target = |target: &WherePredicateTypeTarget, f: &mut HirFormatter| match target {
WherePredicateTypeTarget::TypeRef(ty) => ty.hir_fmt(f),
WherePredicateTypeTarget::TypeOrConstParam(id) => match &params.types[*id].name() {
WherePredicateTypeTarget::TypeOrConstParam(id) => match &params.tocs[*id].name() {
Some(name) => write!(f, "{}", name),
None => write!(f, "{{unnamed}}"),
},