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Implement basic inherent method resolution

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Florian Diebold 2019-01-07 13:44:54 +01:00
parent e9e397e705
commit 082ef52bcb
11 changed files with 309 additions and 17 deletions
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15
crates/ra_hir/src/code_model_impl/module.rs
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@ -95,6 +95,21 @@ impl Module {
Module::from_module_id(db, loc.source_root_id, child_id).map(Some)
}
/// Iterates over all child modules.
pub fn children_impl(&self, db: &impl HirDatabase) -> Cancelable<impl Iterator<Item = Module>> {
// FIXME this should be implementable without collecting into a vec, but
// it's kind of hard since the iterator needs to keep a reference to the
// module tree.
let loc = self.def_id.loc(db);
let module_tree = db.module_tree(loc.source_root_id)?;
let children = loc
.module_id
.children(&module_tree)
.map(|(_, module_id)| Module::from_module_id(db, loc.source_root_id, module_id))
.collect::<Cancelable<Vec<_>>>()?;
Ok(children.into_iter())
}
pub fn parent_impl(&self, db: &impl HirDatabase) -> Cancelable<Option<Module>> {
let loc = self.def_id.loc(db);
let module_tree = db.module_tree(loc.source_root_id)?;