require
ensure
- is_finished
- input /= Void implies not input.is_connected
- output /= Void implies not output.is_connected
- error /= Void implies not error.is_connected
execute_command_line (command_line:
STRING, keep_environment:
BOOLEAN)
effective procedure
require
- command_line /= Void
- not command_line.is_empty
- is_ready
set_direct_output (direct_output_:
BOOLEAN)
effective procedure
set_direct_error (direct_error_:
BOOLEAN)
effective procedure
ensure
-
good_hash_value: Result >= 0
is_equal (other: PROCESS_POSIX):
BOOLEAN
deferred function
require
ensure
- Result implies hash_code = other.hash_code
-
commutative: generating_type = other.generating_type implies Result = other.is_equal(Current)