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//! FIXME: write short doc here
use hir_def::{resolver::HasResolver, type_ref::TypeRef, AstItemDef};
use ra_syntax::ast;
use crate::{
db::{AstDatabase, DefDatabase, HirDatabase},
ty::Ty,
AssocItem, Crate, HasSource, ImplBlock, Module, Source, TraitRef,
};
impl HasSource for ImplBlock {
type Ast = ast::ImplBlock;
fn source(self, db: &(impl DefDatabase + AstDatabase)) -> Source<ast::ImplBlock> {
self.id.source(db)
}
}
impl ImplBlock {
pub fn target_trait(&self, db: &impl DefDatabase) -> Option<TypeRef> {
db.impl_data(self.id).target_trait().cloned()
}
pub fn target_type(&self, db: &impl DefDatabase) -> TypeRef {
db.impl_data(self.id).target_type().clone()
}
pub fn target_ty(&self, db: &impl HirDatabase) -> Ty {
Ty::from_hir(db, &self.id.resolver(db), &self.target_type(db))
}
pub fn target_trait_ref(&self, db: &impl HirDatabase) -> Option<TraitRef> {
let target_ty = self.target_ty(db);
TraitRef::from_hir(db, &self.id.resolver(db), &self.target_trait(db)?, Some(target_ty))
}
pub fn items(&self, db: &impl DefDatabase) -> Vec<AssocItem> {
db.impl_data(self.id).items().iter().map(|it| (*it).into()).collect()
}
pub fn is_negative(&self, db: &impl DefDatabase) -> bool {
db.impl_data(self.id).is_negative()
}
pub fn module(&self, db: &impl DefDatabase) -> Module {
self.id.module(db).into()
}
pub fn krate(&self, db: &impl DefDatabase) -> Crate {
Crate { crate_id: self.module(db).id.krate }
}
}
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