Function ament_index_cpp::is_resource_available

• Defined in File has_resource.hpp

Function Documentation

std::optional<std::filesystem::path> ament_index_cpp::is_resource_available(const std::string &resource_type, const std::string &resource_name)

Check if resource exists and get its path.

Parameters:

• resource_type – [in] type of the resource

• resource_name – [in] name of the resource

Throws:

std::runtime_error – if resource_type or resource_name are empty

Returns:

the installation prefix of the given resource if found or std::nullptr otherwise