pub fn append_parent_ns(list: *ArrayList(u8), parent: Decl.Index) Oom!void
pub fn append_parent_ns(list: *ArrayList(u8), parent: Decl.Index) Oom!void { assert(parent != .none); const decl = parent.get(); if (decl.parent != .none) { try append_parent_ns(list, decl.parent); try list.appendSlice(gpa, decl.extra_info().name); try list.append(gpa, '.'); } }