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Just(item 1 of xs) | asPrelude.applescript |
end listToMaybe | asPrelude.applescript |
on |log|(n) | asPrelude.applescript |
Just of evalJSMay(("Math.log(" & n as string) & ")") | asPrelude.applescript |
end |log| | asPrelude.applescript |
on lookup(k, m) | asPrelude.applescript |
if c is list then | asPrelude.applescript |
lookupTuples(k, m) | asPrelude.applescript |
else if c = record then | asPrelude.applescript |
lookupDict(k, m) | asPrelude.applescript |
end lookup | asPrelude.applescript |
on lookupDict(k, dct) | asPrelude.applescript |
end lookupDict | asPrelude.applescript |
on lookupTuples(k, xs) | asPrelude.applescript |
script keyMatch | asPrelude.applescript |
k = fst(x) | asPrelude.applescript |
script harvestMay | asPrelude.applescript |
on |λ|(kv) | asPrelude.applescript |
Just(snd(kv)) | asPrelude.applescript |
bindMay(find(keyMatch, xs), harvestMay) | asPrelude.applescript |
end lookupTuples | asPrelude.applescript |
on lt(x) | asPrelude.applescript |
x < y | asPrelude.applescript |
end lt | asPrelude.applescript |
on mapAccumL(f, acc, xs) | asPrelude.applescript |
on |λ|(a, x, i) | asPrelude.applescript |
tell mReturn(f) to set pair to |λ|(|1| of a, x, i) | asPrelude.applescript |
Tuple(|1| of pair, (|2| of a) & {|2| of pair}) | asPrelude.applescript |
foldl(result, Tuple(acc, []), xs) | asPrelude.applescript |
end mapAccumL | asPrelude.applescript |
on mapAccumL_Tree(f, acc, tree) | asPrelude.applescript |
property mf : mReturn(f)'s |λ| | asPrelude.applescript |
on |λ|(a, x) | asPrelude.applescript |
set pair to f(a, root of x) | asPrelude.applescript |
set tpl to mapAccumL(go, item 1 of pair, nest of x) | asPrelude.applescript |
Tuple(item 1 of tpl, Node(item 2 of pair, item 2 of tpl)) | asPrelude.applescript |
|λ|(acc, tree) of go | asPrelude.applescript |
end mapAccumL_Tree | asPrelude.applescript |
on mapAccumR(f, acc, xs) | asPrelude.applescript |
on |λ|(x, a, i) | asPrelude.applescript |
Tuple(|1| of pair, (|2| of pair) & |2| of a) | asPrelude.applescript |
foldr(result, Tuple(acc, []), xs) | asPrelude.applescript |
end mapAccumR | asPrelude.applescript |
on mapKeys(f, dct) | asPrelude.applescript |
property g : mReturn(f) | asPrelude.applescript |
set {k, v} to kv | asPrelude.applescript |
{g's |λ|(k), v} | asPrelude.applescript |
map(result, zip(keys(dct), elems(dct))) | asPrelude.applescript |
end mapKeys | asPrelude.applescript |
on mapMaybe(mf, xs) | asPrelude.applescript |
property g : mReturn(mf) | asPrelude.applescript |
set mb to g's |λ|(x) | asPrelude.applescript |
a & (Just of mb) | asPrelude.applescript |
foldl(result, {}, xs) | asPrelude.applescript |
end mapMaybe | asPrelude.applescript |
on mapMaybeGen(mf, gen) | asPrelude.applescript |
property mg : mReturn(mf) | asPrelude.applescript |
on |λ|() | asPrelude.applescript |
set v to gen's |λ|() | asPrelude.applescript |
if v is not missing value then | asPrelude.applescript |
set mb to mg's |λ|(v) | asPrelude.applescript |
repeat while (Nothing of mb) and not (missing value is v) | asPrelude.applescript |
if missing value is not v then set mb to mg's |λ|(v) | asPrelude.applescript |
if not |Nothing| of mb then | asPrelude.applescript |
|Just| of mb | asPrelude.applescript |
end mapMaybeGen | asPrelude.applescript |
on mappend(a, b) | asPrelude.applescript |
set ca to class of a | asPrelude.applescript |
if record is ca then | asPrelude.applescript |
script instanceMay | asPrelude.applescript |
on |λ|(strType) | asPrelude.applescript |
set mb to lookup(strType, ¬ | asPrelude.applescript |
{Maybe:mappendMaybe, Ordering:mappendOrdering, Tuple:mappendTuple}) | asPrelude.applescript |
set mbi to bindMay(lookup("type", a), instanceMay) | asPrelude.applescript |
if Nothing of mbi then | asPrelude.applescript |
a & b | asPrelude.applescript |
mReturn(Just of mbi)'s |λ|(a, b) | asPrelude.applescript |
else if handler is ca then | asPrelude.applescript |
mappendFn(a, b) | asPrelude.applescript |
end mappend | asPrelude.applescript |
on mappendFn(f, g) | asPrelude.applescript |
mappend(mf's |λ|(x), mg's |λ|(x)) | asPrelude.applescript |
end mappendFn | asPrelude.applescript |
on mappendMaybe(a, b) | asPrelude.applescript |
Just(mappend(Just of a, Just of b)) | asPrelude.applescript |
end mappendMaybe | asPrelude.applescript |
on mappendOrd(a, b) | asPrelude.applescript |
if 0 ≠ a then | asPrelude.applescript |
end mappendOrd | asPrelude.applescript |
on mappendTuple(a, b) | asPrelude.applescript |
Tuple(mappend(|1| of a, |1| of b), mappend(|2| of a, |2| of b)) | asPrelude.applescript |
end mappendTuple | asPrelude.applescript |
on matching(pat) | asPrelude.applescript |
if class of pat is text then | asPrelude.applescript |
set xs to characters of pat | asPrelude.applescript |
set xs to pat | asPrelude.applescript |
set bln to 0 < lng | asPrelude.applescript |
if bln then | asPrelude.applescript |
set h to item 1 of xs | asPrelude.applescript |
set h to missing value | asPrelude.applescript |
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