pose_pairs/2Swap Key-Value to Value-Key.

F.2.41 library(pio)

F.2.41.1 library(pure_input)

phrase_from_file/2	Process the content of File using the DCG rule Grammar.
phrase_from_file/3	As phrase_from_file/2, providing additional Options.
phrase_from_stream/2	Run Grammer against the character codes on Stream.
stream_to_lazy_list/2	Create a lazy list representing the character codes in Stream.
lazy_list_character_count//1	True when CharCount is the current character count in the Lazy list.
lazy_list_location//1	Determine current (error) location in a lazy list.
syntax_error//1	Throw the syntax error Error at the current location of the input.

F.2.42 library(random)

getrand/1	Query/set the state of the random generator.
maybe/0	Succeed/fail with equal probability (variant of maybe/1).
maybe/1	Succeed with probability P, fail with probability 1-P.
maybe/2	Succeed with probability K/N (variant of maybe/1).
random/1	Binds R to a new random float in the _open_ interval (0.0,1.0).
random/3	Generate