Function verifyModuleNamesUnique

src/ast/ast_parse.cpp:1256–1267

    }

    bool verifyModuleNamesUnique ( const vector<ModuleInfo> & req, TextWriter & logs ) {
        das_hash_map<string, string> fullName;
        for ( auto & r : req ) {
            if ( fullName.find(r.moduleName) != fullName.end() ) {
                logs << "several modules with the same name '" << r.moduleName << "'\n" <<
                        "namely '" << r.fileName << "' and '" << fullName[r.moduleName] << "'\n";
                return false;
            }
            fullName[r.moduleName] = r.fileName;
        }
        return true;
    }

    static uint64_t normalizedPathHash(const string &path, const string &base) {
        auto urlBase = from_file_name(base.c_str());