std::errno_of

retrieves the errno value of the error object

Parameters

None

None

load! $buf "some-non-existing-file" on buf.is_an_error: dump! `errno_of(buf)

errno_of(buf): object <0>

std_types::error	the prototype object for all error objects
std::error_category_of	retrieves the error category of the error object
std::error_message_text_of	retrieves the error message text of the error object
std::error_details_of	retrieves the error details of the error object
std::failed_attribute_of	retrieves the attribute* associated with the error object*