https://www.cnblogs.com/yeungchie/
map( lambda(( a b ) println( list( a b )) ) list( 1 2 3 ) list( 4 5 6 ) ) ; ((1 2 3) (4 5 6)) ; ((2 3) (5 6)) ; ((3) (6)) ; => (1 2 3)
mapc( lambda(( a b ) println( list( a b )) ) list( 1 2 3 ) list( 4 5 6 ) ) ; (1 4) ; (2 5) ; (3 6) ; => (1 2 3)
mapcan( lambda(( a b ) println( list( a b )) list( a + b ) ) list( 1 2 3 ) list( 4 5 6 ) ) ; (1 4) ; (2 5) ; (3 6) ; => (5 7 9)
mapcan( lambda(( a b ) println( list( a b )) a + b ) list( 1 2 3 ) list( 4 5 6 ) ) ; (1 4) ; (2 5) ; (3 6) ; => (5 7 9)
mapcon( lambda(( a b ) println( list( a b )) list(a b) ) list( 1 2 3 ) list( 4 5 6 ) ) ; ((1 2 3) (4 5 6)) ; ((2 3) (5 6)) ; ((3) (6)) ; => ((1 2 3) (4 5 6) (2 3) (5 6) (3) (6))
maplist( lambda(( a b ) println( list( a b )) list(a b) ) list( 1 2 3 ) list( 4 5 6 ) ) ; ((1 2 3) (4 5 6)) ; ((2 3) (5 6)) ; ((3) (6)) ; => (((1 2 3) (4 5 6)) ((2 3) (5 6)) ((3) (6)))
mapinto( list( 0 0 0 0 0 ) lambda(( a b ) println( list( a b )) a + b ) list( 1 2 3 ) list( 4 5 6 ) ) ; (1 4) ; (2 5) ; (3 6) ; => (5 7 9 0 0)