Updated stdlib to new syntax. Added recursor and changed all/any functions

This commit is contained in:
radrow 2019-08-05 16:15:42 +02:00
parent 9101d2c7fe
commit ba8138d892
2 changed files with 84 additions and 73 deletions

View File

@ -37,6 +37,13 @@ namespace Func =
function pipe(f : 'a => 'b, g : 'b => 'c) : 'a => 'c = (x) => g(f(x))
function rapply(x : 'a, f : 'a => 'b) : 'b = f(x)
/* The Z combinator - replacement for local and anonymous recursion.
*/
function recur(f : ('arg => 'res, 'arg) => 'res) : 'arg => 'res =
(x) => f(recur(f), x)
function iter(n : int, f : 'a => 'a) : 'a => 'a = iter_(n, f, (x) => x)
private function iter_(n : int, f : 'a => 'a, acc : 'a => 'a) : 'a => 'a =
if(n == 0) acc
@ -53,18 +60,17 @@ namespace Func =
function uncurry3(f : 'a => ('b => ('c => 'd))) : ('a, 'b, 'c) => 'd =
(x, y, z) => f(x)(y)(z)
// TODO : parser fails here, probably a bug. Uncomment when resolved.
// function tuplify2(f : ('a, 'b) => 'c) : (('a, 'b)) => 'c =
// (t) => switch(t)
// (x, y) => f(x, y)
// function tuplify3(f : ('a, 'b, 'c) => 'd) : (('a, 'b, 'c)) => 'd =
// (t) => switch(t)
// (x, y, z) => f(x, y, z)
function tuplify2(f : ('a, 'b) => 'c) : (('a * 'b)) => 'c =
(t) => switch(t)
(x, y) => f(x, y)
function tuplify3(f : ('a, 'b, 'c) => 'd) : 'a * 'b * 'c => 'd =
(t) => switch(t)
(x, y, z) => f(x, y, z)
// function untuplify2(f : (('a, 'b)) => 'c) : ('a, 'b) => 'c =
// (x, y) => f((x, y))
// function untuplify3(f : (('a, 'b, 'c)) => 'd) : ('a, 'b, 'c) => 'd =
// (x, y, z) => f((x, y, z))
function untuplify2(f : 'a * 'b => 'c) : ('a, 'b) => 'c =
(x, y) => f((x, y))
function untuplify3(f : 'a * 'b * 'c => 'd) : ('a, 'b, 'c) => 'd =
(x, y, z) => f((x, y, z))
".
std_list() ->"
@ -75,25 +81,25 @@ namespace List =
_ => false
function first(l : list('a)) : option('a) = switch(l)
[] => None
[] => None
h::_ => Some(h)
function tail(l : list('a)) : option(list('a)) = switch(l)
[] => None
[] => None
_::t => Some(t)
function last(l : list('a)) : option('a) = switch(l)
[] => None
[] => None
[x] => Some(x)
_::t => last(t)
function find(p : 'a => bool, l : list('a)) : option('a) = switch(l)
[] => None
[] => None
h::t => if(p(h)) Some(h) else find(p, t)
function find_all(p : 'a => bool, l : list('a)) : list('a) = find_all_(p, l, [])
private function find_all_(p : 'a => bool, l : list('a), acc : list('a)) : list('a) = switch(l)
[] => reverse(acc)
[] => reverse(acc)
h::t => find_all_(p, t, if(p(h)) h::acc else acc)
function find_indices(p : 'a => bool, l : list('a)) : list(int) = find_indices_(p, l, 0, [])
@ -102,12 +108,12 @@ namespace List =
, n : int
, acc : list(int)
) : list(int) = switch(l)
[] => reverse(acc)
[] => reverse(acc)
h::t => find_indices_(p, t, n+1, if(p(h)) n::acc else acc)
function nth(n : int, l : list('a)) : option('a) = switch(l)
[] => None
h::t => if(n == 0) Some(h) else nth(n-1, t)
[] => None
/* Unsafe version of `nth` */
function get(n : int, l : list('a)) : 'a = switch(l)
@ -117,7 +123,7 @@ namespace List =
function length(l : list('a)) : int = length_(l, 0)
private function length_(l : list('a), acc : int) : int = switch(l)
[] => acc
[] => acc
_::t => length_(t, acc + 1)
@ -126,7 +132,7 @@ namespace List =
if(n<0) abort(\"insert_at underflow\") else replace_at_(n, e, l, [])
private function replace_at_(n : int, e : 'a, l : list('a), acc : list('a)) : list('a) =
switch(l)
[] => abort(\"replace_at overflow\")
[] => abort(\"replace_at overflow\")
h::t => if (n == 0) reverse(e::acc) ++ t
else replace_at_(n-1, e, t, h::acc)
@ -136,12 +142,12 @@ namespace List =
private function insert_at_(n : int, e : 'a, l : list('a), acc : list('a)) : list('a) =
if (n == 0) reverse(e::acc) ++ l
else switch(l)
[] => abort(\"insert_at overflow\")
[] => abort(\"insert_at overflow\")
h::t => insert_at_(n-1, e, t, h::acc)
function insert_by(f : (('a, 'a) => bool), x : 'a, l : list('a)) : list('a) =
switch(l)
[] => [x]
[] => [x]
(e :: l') =>
if(f(x, e))
e :: insert_by(f, x, l')
@ -149,16 +155,16 @@ namespace List =
x :: l
function foldr(cons : ('a, 'b) => 'b, nil : 'b, l : list('a)) : 'b = switch(l)
[] => nil
[] => nil
h::t => cons(h, foldr(cons, nil, t))
function foldl(rcons : ('b, 'a) => 'b, acc : 'b, l : list('a)) : 'b = switch(l)
[] => acc
[] => acc
h::t => foldl(rcons, rcons(acc, h), t)
function foreach(f : 'a => (), l : list('a)) : () =
function foreach(f : 'a => unit, l : list('a)) : unit =
switch(l)
[] => ()
[] => ()
e :: l' =>
f(e)
foreach(f, l')
@ -169,17 +175,17 @@ namespace List =
function map(f : 'a => 'b, l : list('a)) : list('b) = map_(f, l, [])
private function map_(f : 'a => 'b, l : list('a), acc : list('b)) : list('b) = switch(l)
[] => reverse(acc)
[] => reverse(acc)
h::t => map_(f, t, f(h)::acc)
function flat_map(f : 'a => list('b), l : list('a)) : list('b) = flat_map_(f, l, [])
private function flat_map_(f : 'a => list('b), l : list('a), acc : list('b)) : list('b) = switch(l)
[] => reverse(acc)
[] => reverse(acc)
h::t => flat_map_(f, t, reverse(f(h)) ++ acc)
function filter(p : 'a => bool, l : list('a)) : list('a) = filter_(p, l, [])
private function filter_(p : 'a => bool, l : list('a), acc : list('a)) : list('a) = switch(l)
[] => reverse(acc)
[] => reverse(acc)
h::t => filter_(p, t, if(p(h)) h::acc else acc)
/* Take `n` first elements */
@ -188,7 +194,7 @@ namespace List =
private function take_(n : int, l : list('a), acc : list('a)) : list('a) =
if(n == 0) reverse(acc)
else switch(l)
[] => reverse(acc)
[] => reverse(acc)
h::t => take_(n-1, t, h::acc)
/* Drop `n` first elements */
@ -196,36 +202,40 @@ namespace List =
if(n < 0) abort(\"Drop negative number of elements\")
elif (n == 0) l
else switch(l)
[] => []
[] => []
h::t => drop(n-1, t)
/* Get the longest prefix of a list in which every element matches predicate `p` */
function take_while(p : 'a => bool, l : list('a)) : list('a) = take_while_(p, l, [])
private function take_while_(p : 'a => bool, l : list('a), acc : list('a)) : list('a) = switch(l)
[] => reverse(acc)
[] => reverse(acc)
h::t => if(p(h)) take_while_(p, t, h::acc) else reverse(acc)
/* Drop elements from `l` until `p` holds */
function drop_while(p : 'a => bool, l : list('a)) : list('a) = switch(l)
[] => []
[] => []
h::t => if(p(h)) drop_while(p, t) else l
/* Splits list into two lists of elements that respectively match and don't match predicate `p` */
function partition(p : 'a => bool, l : list('a)) : (list('a), list('a)) = partition_(p, l, [], [])
function partition(p : 'a => bool, l : list('a)) : (list('a) * list('a)) = partition_(p, l, [], [])
private function partition_( p : 'a => bool
, l : list('a)
, acc_t : list('a)
, acc_f : list('a)
) : (list('a), list('a)) = switch(l)
[] => (reverse(acc_t), reverse(acc_f))
) : (list('a) * list('a)) = switch(l)
[] => (reverse(acc_t), reverse(acc_f))
h::t => if(p(h)) partition_(p, t, h::acc_t, acc_f) else partition_(p, t, acc_t, h::acc_f)
function concats(ll : list(list('a))) : list('a) = foldr((l1, l2) => l1 ++ l2, [], ll)
function all(p : 'a => bool, l : list('a)) : bool = foldl((prev, next) => prev && p(next), true, l)
function all(p : 'a => bool, l : list('a)) : bool = switch(l)
[] => true
h::t => if(p(h)) all(p, t) else false
function any(p : 'a => bool, l : list('a)) : bool = foldl((prev, next) => prev || p(next), false, l)
function any(p : 'a => bool, l : list('a)) : bool = switch(l)
[] => false
h::t => if(p(h)) true else any(p, t)
function sum(l : list(int)) : int = foldl ((a, b) => a + b, 0, l)
@ -243,34 +253,34 @@ namespace List =
_ => reverse(acc)
/* Zips two lists into list of pairs. Drops longer tail. */
function zip(l1 : list('a), l2 : list('b)) : list(('a, 'b)) = zip_with((a, b) => (a, b), l1, l2)
function zip(l1 : list('a), l2 : list('b)) : list('a * 'b) = zip_with((a, b) => (a, b), l1, l2)
function unzip(l : list(('a, 'b))) : (list('a), list('b)) = unzip_(l, [], [])
private function unzip_( l : list(('a, 'b))
function unzip(l : list('a * 'b)) : list('a) * list('b) = unzip_(l, [], [])
private function unzip_( l : list('a * 'b)
, acc_l : list('a)
, acc_r : list('b)
) : (list('a), list('b)) = switch(l)
[] => (reverse(acc_l), reverse(acc_r))
) : (list('a) * list('b)) = switch(l)
[] => (reverse(acc_l), reverse(acc_r))
(left, right)::t => unzip_(t, left::acc_l, right::acc_r)
// TODO: Improve?
function sort(lesser_cmp : ('a, 'a) => bool, l : list('a)) : list('a) = switch(l)
[] => []
[] => []
h::t => switch (partition((x) => lesser_cmp(x, h), t))
(lesser, bigger) => sort(lesser_cmp, lesser) ++ h::sort(lesser_cmp, bigger)
function intersperse(delim : 'a, l : list('a)) : list('a) = intersperse_(delim, l, [])
private function intersperse_(delim : 'a, l : list('a), acc : list('a)) : list('a) = switch(l)
[] => reverse(acc)
[e] => reverse(e::acc)
[] => reverse(acc)
[e] => reverse(e::acc)
h::t => intersperse_(delim, t, h::delim::acc)
function enumerate(l : list('a)) : list((int, 'a)) = enumerate_(l, 0, [])
private function enumerate_(l : list('a), n : int, acc : list((int, 'a))) : list((int, 'a)) = switch(l)
[] => reverse(acc)
function enumerate(l : list('a)) : list(int * 'a) = enumerate_(l, 0, [])
private function enumerate_(l : list('a), n : int, acc : list(int * 'a)) : list(int * 'a) = switch(l)
[] => reverse(acc)
h::t => enumerate_(t, n + 1, (n, h)::acc)
".
@ -297,7 +307,7 @@ namespace Option =
function force(o : option('a)) : 'a = default(abort(\"Forced None value\"), o)
function on_elem(f : 'a => (), o : option('a)) : () = match((), f, o)
function on_elem(f : 'a => unit, o : option('a)) : unit = match((), f, o)
function map(f : 'a => 'b, o : option('a)) : option('b) = switch(o)
@ -334,14 +344,14 @@ namespace Option =
function filter_options(l : list(option('a))) : list('a) = filter_options_(l, [])
private function filter_options_(l : list (option('a)), acc : list('a)) : list('a) = switch(l)
[] => List.reverse(acc)
None::t => filter_options_(t, acc)
[] => List.reverse(acc)
None::t => filter_options_(t, acc)
Some(x)::t => filter_options_(t, x::acc)
function seq_options(l : list (option('a))) : option (list('a)) = seq_options_(l, [])
private function seq_options_(l : list (option('a)), acc : list('a)) : option(list('a)) = switch(l)
[] => Some(List.reverse(acc))
None::t => None
[] => Some(List.reverse(acc))
None::t => None
Some(x)::t => seq_options_(t, x::acc)
@ -350,70 +360,70 @@ namespace Option =
function choose_first(l : list(option('a))) : option('a) = switch(l)
[] => None
None::t => choose_first(t)
None::t => choose_first(t)
Some(x)::_ => Some(x)
".
std_pair() -> "
namespace Pair =
function fst(t : ('a, 'b)) : 'a = switch(t)
function fst(t : ('a * 'b)) : 'a = switch(t)
(x, _) => x
function snd(t : ('a, 'b)) : 'b = switch(t)
function snd(t : ('a * 'b)) : 'b = switch(t)
(_, y) => y
function map1(f : 'a => 'c, t : ('a, 'b)) : ('c, 'b) = switch(t)
function map1(f : 'a => 'c, t : ('a * 'b)) : ('c * 'b) = switch(t)
(x, y) => (f(x), y)
function map2(f : 'b => 'c, t : ('a, 'b)) : ('a, 'c) = switch(t)
function map2(f : 'b => 'c, t : ('a * 'b)) : ('a * 'c) = switch(t)
(x, y) => (x, f(y))
function bimap(f : 'a => 'c, g : 'b => 'd, t : ('a, 'b)) : ('c, 'd) = switch(t)
function bimap(f : 'a => 'c, g : 'b => 'd, t : ('a * 'b)) : ('c * 'd) = switch(t)
(x, y) => (f(x), g(y))
function swap(t : ('a, 'b)) : ('b, 'a) = switch(t)
function swap(t : ('a * 'b)) : ('b * 'a) = switch(t)
(x, y) => (y, x)
".
std_triple() -> "
namespace Triple =
function fst(t : ('a, 'b, 'c)) : 'a = switch(t)
function fst(t : ('a * 'b * 'c)) : 'a = switch(t)
(x, _, _) => x
function snd(t : ('a, 'b, 'c)) : 'b = switch(t)
function snd(t : ('a * 'b * 'c)) : 'b = switch(t)
(_, y, _) => y
function thd(t : ('a, 'b, 'c)) : 'c = switch(t)
function thd(t : ('a * 'b * 'c)) : 'c = switch(t)
(_, _, z) => z
function map1(f : 'a => 'm, t : ('a, 'b, 'c)) : ('m, 'b, 'c) = switch(t)
function map1(f : 'a => 'm, t : ('a * 'b * 'c)) : ('m * 'b * 'c) = switch(t)
(x, y, z) => (f(x), y, z)
function map2(f : 'b => 'm, t : ('a, 'b, 'c)) : ('a, 'm, 'c) = switch(t)
function map2(f : 'b => 'm, t : ('a * 'b * 'c)) : ('a * 'm * 'c) = switch(t)
(x, y, z) => (x, f(y), z)
function map3(f : 'c => 'm, t : ('a, 'b, 'c)) : ('a, 'b, 'm) = switch(t)
function map3(f : 'c => 'm, t : ('a * 'b * 'c)) : ('a * 'b * 'm) = switch(t)
(x, y, z) => (x, y, f(z))
function trimap( f : 'a => 'x
, g : 'b => 'y
, h : 'c => 'z
, t : ('a, 'b, 'c)
) : ('x, 'y, 'z) = switch(t)
, t : ('a * 'b * 'c)
) : ('x * 'y * 'z) = switch(t)
(x, y, z) => (f(x), g(y), h(z))
function swap(t : ('a, 'b, 'c)) : ('c, 'b, 'a) = switch(t)
function swap(t : ('a * 'b * 'c)) : ('c * 'b * 'a) = switch(t)
(x, y, z) => (z, y, x)
function rotr(t : ('a, 'b, 'c)) : ('c, 'a, 'b) = switch(t)
function rotr(t : ('a * 'b * 'c)) : ('c * 'a * 'b) = switch(t)
(x, y, z) => (z, x, y)
function rotl(t : ('a, 'b, 'c)) : ('b, 'c, 'a) = switch(t)
function rotl(t : ('a * 'b * 'c)) : ('b * 'c * 'a) = switch(t)
(x, y, z) => (y, z, x)
".

View File

@ -120,7 +120,8 @@ compilable_contracts() ->
"aens",
"tuple_match",
"cyclic_include",
"stdlib_include"
"stdlib_include",
"list_comp"
].
not_yet_compilable(fate) -> [];