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-rw-r--r--stdlib/source/lux.lux328
1 files changed, 145 insertions, 183 deletions
diff --git a/stdlib/source/lux.lux b/stdlib/source/lux.lux
index 4c52bf00f..795133b33 100644
--- a/stdlib/source/lux.lux
+++ b/stdlib/source/lux.lux
@@ -1,8 +1,8 @@
## Basic types
("lux def" dummy-cursor
("lux check" (+2 (+0 "#Text" (+0))
- (+2 (+0 "#Nat" (+0))
- (+0 "#Nat" (+0))))
+ (+2 (+0 "#I64" (+1 (+0 "#Nat" (+0)) (+0)))
+ (+0 "#I64" (+1 (+0 "#Nat" (+0)) (+0)))))
["" +0 +0])
[["" +0 +0]
(+10 (+1 [[["" +0 +0] (+7 ["lux" "export?"])]
@@ -22,7 +22,7 @@
(+1 [[dummy-cursor (+7 ["lux" "doc"])]
[dummy-cursor (+5 "The type of things whose type does not matter.
- It can be used to write functions or data-structures that can take, or return, anything.")]]
+ It can be used to write functions or data-structures that can take, or return, anything.")]]
(+0)))))])
## (type: Bottom
@@ -38,7 +38,7 @@
(+1 [[dummy-cursor (+7 ["lux" "doc"])]
[dummy-cursor (+5 "The type of things whose type is unknown or undefined.
- Useful for expressions that cause errors or other \"extraordinary\" conditions.")]]
+ Useful for expressions that cause errors or other \"extraordinary\" conditions.")]]
(+0)))))])
## (type: (List a)
@@ -77,9 +77,22 @@
[dummy-cursor (+5 "Your standard, run-of-the-mill boolean values.")]]
#Nil))))])
+("lux def" I64
+ (+10 ["lux" "I64"]
+ (+7 (+0)
+ (+0 "#I64" (#Cons (+4 +1) #Nil))))
+ [dummy-cursor
+ (+10 (#Cons [[dummy-cursor (+7 ["lux" "type?"])]
+ [dummy-cursor (+0 true)]]
+ (#Cons [[dummy-cursor (+7 ["lux" "export?"])]
+ [dummy-cursor (+0 true)]]
+ (#Cons [[dummy-cursor (+7 ["lux" "doc"])]
+ [dummy-cursor (+5 "64-bit integers without any semantics.")]]
+ #Nil))))])
+
("lux def" Nat
(+10 ["lux" "Nat"]
- (+0 "#Nat" #Nil))
+ (+0 "#I64" (#Cons (+0 "#Nat" #Nil) #Nil)))
[dummy-cursor
(+10 (#Cons [[dummy-cursor (+7 ["lux" "type?"])]
[dummy-cursor (+0 true)]]
@@ -88,12 +101,12 @@
(#Cons [[dummy-cursor (+7 ["lux" "doc"])]
[dummy-cursor (+5 "Natural numbers (unsigned integers).
- They start at zero (+0) and extend in the positive direction.")]]
+ They start at zero (+0) and extend in the positive direction.")]]
#Nil))))])
("lux def" Int
(+10 ["lux" "Int"]
- (+0 "#Int" #Nil))
+ (+0 "#I64" (#Cons (+0 "#Int" #Nil) #Nil)))
[dummy-cursor
(+10 (#Cons [[dummy-cursor (+7 ["lux" "type?"])]
[dummy-cursor (+0 true)]]
@@ -103,30 +116,30 @@
[dummy-cursor (+5 "Your standard, run-of-the-mill integer numbers.")]]
#Nil))))])
-("lux def" Frac
- (+10 ["lux" "Frac"]
- (+0 "#Frac" #Nil))
+("lux def" Deg
+ (+10 ["lux" "Deg"]
+ (+0 "#I64" (#Cons (+0 "#Deg" #Nil) #Nil)))
[dummy-cursor
(+10 (#Cons [[dummy-cursor (+7 ["lux" "type?"])]
[dummy-cursor (+0 true)]]
(#Cons [[dummy-cursor (+7 ["lux" "export?"])]
[dummy-cursor (+0 true)]]
(#Cons [[dummy-cursor (+7 ["lux" "doc"])]
- [dummy-cursor (+5 "Your standard, run-of-the-mill floating-point (fractional) numbers.")]]
+ [dummy-cursor (+5 "Fractional numbers that live in the interval [0,1).
+
+ Useful for probability, and other domains that work within that interval.")]]
#Nil))))])
-("lux def" Deg
- (+10 ["lux" "Deg"]
- (+0 "#Deg" #Nil))
+("lux def" Frac
+ (+10 ["lux" "Frac"]
+ (+0 "#Frac" #Nil))
[dummy-cursor
(+10 (#Cons [[dummy-cursor (+7 ["lux" "type?"])]
[dummy-cursor (+0 true)]]
(#Cons [[dummy-cursor (+7 ["lux" "export?"])]
[dummy-cursor (+0 true)]]
(#Cons [[dummy-cursor (+7 ["lux" "doc"])]
- [dummy-cursor (+5 "Fractional numbers that live in the interval [0,1).
-
- Useful for probability, and other domains that work within that interval.")]]
+ [dummy-cursor (+5 "Your standard, run-of-the-mill floating-point (fractional) numbers.")]]
#Nil))))])
("lux def" Text
@@ -152,7 +165,7 @@
(#Cons [[dummy-cursor (+7 ["lux" "doc"])]
[dummy-cursor (+5 "An identifier.
- It is used as part of Lux syntax to represent symbols and tags.")]]
+ It is used as part of Lux syntax to represent symbols and tags.")]]
#Nil))))])
## (type: (Maybe a)
@@ -1119,20 +1132,14 @@
(#.Cons export-meta
#.Nil))
(#Function Nat (#Function Nat Nat))
- ("lux coerce" Nat
- ("lux int +"
- ("lux coerce" Int subject)
- ("lux coerce" Int param))))
+ ("lux i64 +" param subject))
(def:'' (n/- param subject)
(#.Cons (doc-meta "Nat(ural) substraction.")
(#.Cons export-meta
#.Nil))
(#Function Nat (#Function Nat Nat))
- ("lux coerce" Nat
- ("lux int -"
- ("lux coerce" Int subject)
- ("lux coerce" Int param))))
+ ("lux i64 -" param subject))
(def:'' (n/* param subject)
(#.Cons (doc-meta "Nat(ural) multiplication.")
@@ -2201,28 +2208,24 @@
(list [(tag$ ["lux" "doc"])
(text$ "Nat(ural) equality.")])
(-> Nat Nat Bool)
- ("lux int ="
- ("lux coerce" Int subject)
- ("lux coerce" Int test)))
+ ("lux i64 =" test subject))
(def:''' (high-bits value)
(list)
- (-> Nat Int)
- ("lux coerce" Int ("lux bit logical-right-shift" value +32)))
+ (-> ($' I64 Top) I64)
+ ("lux i64 logical-right-shift" +32 value))
(def:''' low-mask
(list)
- Nat
- ("lux coerce" Nat
- ("lux int -"
- ("lux coerce" Int
- ("lux bit left-shift" +1 +32))
- 1)))
+ I64
+ (|> +1
+ ("lux i64 left-shift" +32)
+ ("lux i64 -" +1)))
(def:''' (low-bits value)
(list)
- (-> Nat Int)
- ("lux coerce" Int ("lux bit and" value low-mask)))
+ (-> ($' I64 Top) I64)
+ ("lux i64 and" low-mask value))
(def:''' #export (n/< test subject)
(list [(tag$ ["lux" "doc"])
@@ -2232,7 +2235,7 @@
subjectH (high-bits subject)]
(if ("lux int <" subjectH testH)
true
- (if ("lux int =" subjectH testH)
+ (if ("lux i64 =" testH subjectH)
("lux int <"
(low-bits subject)
(low-bits test))
@@ -2244,9 +2247,7 @@
(-> Nat Nat Bool)
(if (n/< test subject)
true
- ("lux int ="
- ("lux coerce" Int subject)
- ("lux coerce" Int test))))
+ ("lux i64 =" test subject)))
(def:''' #export (n/> test subject)
(list [(tag$ ["lux" "doc"])
@@ -2260,9 +2261,7 @@
(-> Nat Nat Bool)
(if (n/< subject test)
true
- ("lux int ="
- ("lux coerce" Int subject)
- ("lux coerce" Int test))))
+ ("lux i64 =" test subject)))
(macro:' #export (do-template tokens)
(list [(tag$ ["lux" "doc"])
@@ -2272,8 +2271,8 @@
(-> Int Int)
(i/+ <diff>))]
- [i/inc 1]
- [i/dec -1])")])
+ [inc 1]
+ [dec -1])")])
("lux case" tokens
{(#Cons [[_ (#Tuple bindings)] (#Cons [[_ (#Tuple templates)] data])])
("lux case" [(monad/map Monad<Maybe> get-name bindings)
@@ -2299,9 +2298,7 @@
(list [(tag$ ["lux" "doc"])
(text$ "Deg(ree) equality.")])
(-> Deg Deg Bool)
- ("lux int ="
- ("lux coerce" Int subject)
- ("lux coerce" Int test)))
+ ("lux i64 =" test subject))
(def:''' #export (d/< test subject)
(list [(tag$ ["lux" "doc"])
@@ -2317,9 +2314,7 @@
(if (n/< ("lux coerce" Nat test)
("lux coerce" Nat subject))
true
- ("lux int ="
- ("lux coerce" Int subject)
- ("lux coerce" Int test))))
+ ("lux i64 =" test subject)))
(def:''' #export (d/> test subject)
(list [(tag$ ["lux" "doc"])
@@ -2333,9 +2328,7 @@
(-> Deg Deg Bool)
(if (d/< subject test)
true
- ("lux int ="
- ("lux coerce" Int subject)
- ("lux coerce" Int test))))
+ ("lux i64 =" test subject)))
(do-template [<type>
<eq-proc> <lt-proc> <eq-name> <lt-name> <lte-name> <gt-name> <gte-name>
@@ -2374,7 +2367,7 @@
true
(<eq-proc> subject test)))]
- [ Int "lux int =" "lux int <" i/= i/< i/<= i/> i/>=
+ [ Int "lux i64 =" "lux int <" i/= i/< i/<= i/> i/>=
"Int(eger) equality." "Int(eger) less-than." "Int(eger) less-than-equal." "Int(eger) greater-than." "Int(eger) greater-than-equal."]
[Frac "lux frac =" "lux frac <" f/= f/< f/<= f/> f/>=
@@ -2389,27 +2382,18 @@
(if (n/< param subject)
+0
+1)
- (let' [quotient ("lux bit left-shift"
- ("lux coerce" Nat
- ("lux int /"
- ("lux coerce" Int
- ("lux bit logical-right-shift"
- subject
- +1))
- ("lux coerce" Int param)))
- +1)
- remainder ("lux coerce" Nat
- ("lux int -"
- ("lux coerce" Int subject)
- ("lux int *"
- ("lux coerce" Int quotient)
- ("lux coerce" Int param))))]
+ (let' [quotient ("lux i64 left-shift"
+ +1
+ ("lux int /"
+ ("lux i64 logical-right-shift" +1 subject)
+ ("lux coerce" Int param)))
+ flat ("lux int *"
+ ("lux coerce" Int quotient)
+ ("lux coerce" Int param))
+ remainder ("lux i64 -" flat subject)]
(if (n/< param remainder)
quotient
- ("lux coerce" Nat
- ("lux int +"
- ("lux coerce" Int quotient)
- 1))))))
+ ("lux i64 +" +1 quotient)))))
(def:''' #export (n/% param subject)
(list [(tag$ ["lux" "doc"])
@@ -2418,48 +2402,59 @@
(let' [flat ("lux int *"
("lux coerce" Int (n// param subject))
("lux coerce" Int param))]
- ("lux coerce" Nat
- ("lux int -"
- ("lux coerce" Int subject)
- flat))))
+ ("lux i64 -" flat subject)))
(do-template [<type> <name> <op> <doc>]
[(def:''' #export (<name> param subject)
(list [(tag$ ["lux" "doc"])
(text$ <doc>)])
(-> <type> <type> <type>)
- ("lux coerce" Deg
- (<op> ("lux coerce" Int subject)
- ("lux coerce" Int param))))]
+ (<op> param subject))]
- [ Deg d/+ "lux int +" "Deg(ree) addition."]
- [ Deg d/- "lux int -" "Deg(ree) substraction."]
+ [ Int i/+ "lux i64 +" "Int(eger) addition."]
+ [ Int i/- "lux i64 -" "Int(eger) substraction."]
+
+ [ Deg d/+ "lux i64 +" "Deg(ree) addition."]
+ [ Deg d/- "lux i64 -" "Deg(ree) substraction."]
+ )
+
+(do-template [<type> <name> <op> <doc>]
+ [(def:''' #export (<name> param subject)
+ (list [(tag$ ["lux" "doc"])
+ (text$ <doc>)])
+ (-> <type> <type> <type>)
+ (<op> subject param))]
+
+ [ Int i/* "lux int *" "Int(eger) multiplication."]
+ [ Int i// "lux int /" "Int(eger) division."]
+ [ Int i/% "lux int %" "Int(eger) remainder."]
+
+ [Frac f/+ "lux frac +" "Frac(tion) addition."]
+ [Frac f/- "lux frac -" "Frac(tion) substraction."]
+ [Frac f/* "lux frac *" "Frac(tion) multiplication."]
+ [Frac f// "lux frac /" "Frac(tion) division."]
+ [Frac f/% "lux frac %" "Frac(tion) remainder."]
)
(def:''' #export (d/* param subject)
(list [(tag$ ["lux" "doc"])
(text$ "Deg(ree) multiplication.")])
(-> Deg Deg Deg)
- (let' [subjectH (high-bits ("lux coerce" Nat subject))
- subjectL (low-bits ("lux coerce" Nat subject))
- paramH (high-bits ("lux coerce" Nat param))
- paramL (low-bits ("lux coerce" Nat param))
- bottom ("lux coerce" Int
- ("lux bit logical-right-shift"
- ("lux coerce" Nat ("lux int *" subjectL paramL))
- +32))
- middle ("lux int +"
+ (let' [subjectH (high-bits subject)
+ subjectL (low-bits subject)
+ paramH (high-bits param)
+ paramL (low-bits param)
+ bottom (|> subjectL
+ ("lux int *" paramL)
+ ("lux i64 logical-right-shift" +32))
+ middle ("lux i64 +"
("lux int *" subjectH paramL)
("lux int *" subjectL paramH))
top ("lux int *" subjectH paramH)]
- ("lux coerce" Deg
- ("lux int +"
- (high-bits
- ("lux coerce" Nat
- ("lux int +"
- bottom
- middle)))
- top))))
+ (|> bottom
+ ("lux i64 +" middle)
+ high-bits
+ ("lux i64 +" top))))
(def:''' least-significant-bit-mask (list) Nat +1)
@@ -2467,32 +2462,26 @@
(list)
(-> Nat Nat (#Product Nat Nat))
(if (|> remaining
- ("lux bit and" least-significant-bit-mask)
- ("lux coerce" Int)
- ("lux int =" 0))
+ ("lux i64 and" least-significant-bit-mask)
+ ("lux i64 =" +0))
(without-trailing-zeroes
- (|> count
- ("lux coerce" Int)
- ("lux int +" 1)
- ("lux coerce" Nat))
- ("lux bit logical-right-shift" remaining +1))
+ ("lux i64 +" +1 count)
+ ("lux i64 logical-right-shift" +1 remaining))
[count remaining]))
(def:''' #export (d// param subject)
(list [(tag$ ["lux" "doc"])
(text$ "Deg(ree) division.")])
(-> Deg Deg Deg)
- (if (|> param ("lux coerce" Int) ("lux int =" 0))
+ (if ("lux i64 =" 0 param)
("lux io error" "Cannot divide Deg by zero!")
(let' [[trailing-zeroes remaining] (without-trailing-zeroes +0 ("lux coerce" Nat param))
- [trailing-zeroes denominator] (if (|> trailing-zeroes ("lux coerce" Int) ("lux int =" 0))
- [+1 ("lux bit logical-right-shift" remaining +1)]
- [trailing-zeroes remaining])
- shift ("lux coerce" Nat
- ("lux int -"
- 64
- ("lux coerce" Int trailing-zeroes)))
- numerator ("lux bit left-shift" +1 shift)]
+ [trailing-zeroes denominator] ("lux check" (#Product Nat Nat)
+ (if ("lux i64 =" 0 trailing-zeroes)
+ [+1 ("lux i64 logical-right-shift" +1 remaining)]
+ [trailing-zeroes remaining]))
+ shift ("lux i64 -" trailing-zeroes +64)
+ numerator ("lux i64 left-shift" shift +1)]
("lux coerce" Deg
("lux int *"
("lux coerce" Int subject)
@@ -2508,26 +2497,6 @@
(n/% ("lux coerce" Nat subject)
("lux coerce" Nat param))))
-(do-template [<type> <name> <op> <doc>]
- [(def:''' #export (<name> param subject)
- (list [(tag$ ["lux" "doc"])
- (text$ <doc>)])
- (-> <type> <type> <type>)
- (<op> subject param))]
-
- [ Int i/+ "lux int +" "Int(eger) addition."]
- [ Int i/- "lux int -" "Int(eger) substraction."]
- [ Int i/* "lux int *" "Int(eger) multiplication."]
- [ Int i// "lux int /" "Int(eger) division."]
- [ Int i/% "lux int %" "Int(eger) remainder."]
-
- [Frac f/+ "lux frac +" "Frac(tion) addition."]
- [Frac f/- "lux frac -" "Frac(tion) substraction."]
- [Frac f/* "lux frac *" "Frac(tion) multiplication."]
- [Frac f// "lux frac /" "Frac(tion) division."]
- [Frac f/% "lux frac %" "Frac(tion) remainder."]
- )
-
(def:''' #export (d/scale param subject)
(list [(tag$ ["lux" "doc"])
(text$ "Deg(ree) scale.")])
@@ -2546,7 +2515,7 @@
(n// remaining
("lux case" trailing-zeroes
{+0 ("lux coerce" Nat -1)
- _ ("lux bit left-shift" +1 (n/- trailing-zeroes +64))})))))
+ _ ("lux i64 left-shift" (n/- trailing-zeroes +64) +1)})))))
(do-template [<name> <type> <test> <doc>]
[(def:''' #export (<name> left right)
@@ -5117,7 +5086,7 @@
(macro: #export (update@ tokens)
{#.doc "## Modifies the value of a record at a given tag, based on some function.
- (update@ #age i/inc person)
+ (update@ #age inc person)
## Can also work with multiple levels of nesting:
(update@ [#foo #bar #baz] func my-record)
@@ -5256,8 +5225,8 @@
(-> <from> <to>)
(<proc> [n]))]
- [frac-to-int Frac Int "lux frac to-int"]
- [int-to-frac Int Frac "lux int to-frac"]
+ [frac-to-int Frac Int "lux frac int"]
+ [int-to-frac Int Frac "lux int frac"]
)
(def: (find-baseline-column code)
@@ -5314,34 +5283,31 @@
)]
($_ text/compose "\"" escaped "\"")))
-(do-template [<name> <op> <one> <type> <doc>]
- [(def: #export (<name> value)
+(do-template [<name> <special> <doc>]
+ [(def: #export <name>
{#.doc <doc>}
- (-> <type> <type>)
- (<op> <one> value))]
+ (All [s] (-> (I64 s) (I64 s)))
+ (|>> (<special> +1)))]
- [i/inc i/+ 1 Int "[Int] Increment function."]
- [i/dec i/- 1 Int "[Int] Decrement function."]
- [n/inc n/+ +1 Nat "[Nat] Increment function."]
- [n/dec n/- +1 Nat "[Nat] Decrement function."]
+ [inc "lux i64 +" "Increment function."]
+ [dec "lux i64 -" "Decrement function."]
)
(def: tag/encode
(-> Ident Text)
(|>> ident/encode (text/compose "#")))
-(do-template [<name> <from> <to>]
+(do-template [<name> <to>]
[(def: #export <name>
- (-> <from> <to>)
+ (-> (I64 Top) <to>)
(|>> (:! <to>)))]
- [int-to-nat Int Nat]
- [nat-to-int Nat Int]
+ [i64 I64]
+ [nat Nat]
+ [int Int]
+ [deg Deg]
)
-(def: #export frac-to-nat (|>> frac-to-int int-to-nat))
-(def: #export nat-to-frac (|>> nat-to-int int-to-frac))
-
(def: (repeat n x)
(All [a] (-> Int a (List a)))
(if (i/> 0 n)
@@ -5351,9 +5317,9 @@
(def: (cursor-padding baseline [_ old-line old-column] [_ new-line new-column])
(-> Nat Cursor Cursor Text)
(if (n/= old-line new-line)
- (text/join (repeat (nat-to-int (n/- old-column new-column)) " "))
- (let [extra-lines (text/join (repeat (nat-to-int (n/- old-line new-line)) "\n"))
- space-padding (text/join (repeat (nat-to-int (n/- baseline new-column)) " "))]
+ (text/join (repeat (.int (n/- old-column new-column)) " "))
+ (let [extra-lines (text/join (repeat (.int (n/- old-line new-line)) "\n"))
+ space-padding (text/join (repeat (.int (n/- baseline new-column)) " "))]
(text/compose extra-lines space-padding))))
(def: (text/size x)
@@ -5366,7 +5332,7 @@
(def: (delim-update-cursor [file line column])
(-> Cursor Cursor)
- [file line (n/inc column)])
+ [file line (inc column)])
(def: rejoin-all-pairs
(-> (List [Code Code]) (List Code))
@@ -5437,7 +5403,7 @@
(loop [count 0
x init]
(if (< 10 count)
- (recur (i/inc count) (f x))
+ (recur (inc count) (f x))
x)))"}
(return (list (` [(~ cursor-code)
(#.Text (~ (|> tokens
@@ -5502,7 +5468,7 @@
(loop [count 0
x init]
(if (< 10 count)
- (recur (i/inc count) (f x))
+ (recur (inc count) (f x))
x))
"Loops can also be given custom names."
@@ -5510,7 +5476,7 @@
[count 0
x init]
(if (< 10 count)
- (my-loop (i/inc count) (f x))
+ (my-loop (inc count) (f x))
x)))}
(let [?params (case tokens
(^ (list name [_ (#Tuple bindings)] body))
@@ -5900,7 +5866,7 @@
(#Cons x xs')
(if (n/= +0 idx)
(#Some x)
- (list-at (n/dec idx) xs'))))
+ (list-at (dec idx) xs'))))
(macro: #export ($ tokens)
{#.doc (doc "Allows you to refer to the type-variables in a polymorphic function's type, by their index."
@@ -5955,7 +5921,7 @@
(macro: #export (^|> tokens)
{#.doc (doc "Pipes the value being pattern-matched against prior to binding it to a variable."
(case input
- (^|> value [n/inc (n/% +10) (n/max +1)])
+ (^|> value [inc (n/% +10) (n/max +1)])
(foo value)))}
(case tokens
(^ (list& [_meta (#Form (list [_ (#Symbol ["" name])] [_ (#Tuple steps)]))] body branches))
@@ -6330,31 +6296,27 @@
[Int i//% i// i/%]
)
-(def: (to-significand value)
- (-> Nat Frac)
- (|> ("lux bit logical-right-shift" value +11)
- (:! Int)
- int-to-frac))
+(def: to-significand
+ (-> (I64 Top) Frac)
+ (|>> ("lux i64 logical-right-shift" +11)
+ int-to-frac))
-(def: deg-denominator Frac (to-significand (:! Nat -1)))
+(def: deg-denominator Frac (to-significand -1))
(def: #export (frac-to-deg input)
(-> Frac Deg)
(let [abs (if (f/< 0.0 input)
(f/* -1.0 input)
input)]
- (:! Deg
- ("lux bit left-shift"
- (|> abs
- (f/% 1.0)
- (f/* deg-denominator)
- frac-to-int
- (:! Nat))
- +11))))
+ (|> abs
+ (f/% 1.0)
+ (f/* deg-denominator)
+ frac-to-int
+ ("lux i64 left-shift" +11))))
(def: #export deg-to-frac
(-> Deg Frac)
- (|>> (:! Nat) to-significand (f// deg-denominator)))
+ (|>> to-significand (f// deg-denominator)))
(macro: #export (alias: tokens)
(case tokens