fix bug in at
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parent
716ecb01c5
commit
3d0b58e6ed
18
prelude.ld
18
prelude.ld
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@ -5,7 +5,7 @@
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fn and
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fn and
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fn append
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fn append
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fn apply_command
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fn apply_command
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fn assoc & ?
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fn assoc
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fn atan/2
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fn atan/2
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fn deg/rad
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fn deg/rad
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fn dict
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fn dict
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@ -15,6 +15,7 @@ fn get
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fn join
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fn join
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fn mod
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fn mod
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fn neg?
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fn neg?
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fn print!
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fn some?
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fn some?
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fn state/call
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fn state/call
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fn store!
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fn store!
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@ -190,8 +191,7 @@ fn list {
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fn fold {
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fn fold {
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"Folds a list."
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"Folds a list."
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(f as :fn, xs as :list) -> fold (f, xs, f ())
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(f as :fn, xs as :list) -> fold (f, xs, f ())
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(f as :fn, xs as :list, root) -> {
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(f as :fn, xs as :list, root) -> loop (root, first (xs), rest (xs)) with {
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loop (root, first (xs), rest (xs)) with {
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(prev, curr, []) -> f (prev, curr)
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(prev, curr, []) -> f (prev, curr)
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(prev, curr, remaining) -> recur (
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(prev, curr, remaining) -> recur (
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f (prev, curr)
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f (prev, curr)
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@ -200,7 +200,6 @@ fn fold {
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)
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)
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}
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}
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}
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}
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}
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& TODO: optimize these with base :conj!
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& TODO: optimize these with base :conj!
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fn map {
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fn map {
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@ -375,12 +374,15 @@ fn strip {
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fn words {
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fn words {
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"Takes a string and returns a list of the words in the string. Strips all whitespace."
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"Takes a string and returns a list of the words in the string. Strips all whitespace."
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(str as :string) -> {
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(str as :string) -> {
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print! (str)
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let no_punct = strip (str)
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let no_punct = strip (str)
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print! (no_punct)
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let strs = split (no_punct, " ")
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let strs = split (no_punct, " ")
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print! (strs)
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fn worder (list, str) -> if empty? (str)
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fn worder (list, str) -> if empty? (str)
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then list
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then do list > report!
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else append (list, str)
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else do append (list, str) > report!
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fold (worder, strs, [])
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do fold (worder, strs, []) > report!
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}
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}
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}
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}
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@ -623,7 +625,7 @@ fn max {
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& additional list operations now that we have comparitors
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& additional list operations now that we have comparitors
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fn at {
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fn at {
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"Returns the element at index n of a list or tuple, or the byte at index n of a string. Zero-indexed: the first element is at index 0. Returns nil if nothing is found in a list or tuple; returns an empty string if nothing is found in a string."
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"Returns the element at index n of a list or tuple, or the byte at index n of a string. Zero-indexed: the first element is at index 0. Returns nil if nothing is found in a list or tuple; returns an empty string if nothing is found in a string."
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(xs as :list, n as :number) -> base :nth (xs, n)
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(xs as :list, n as :number) -> base :nth (n, xs)
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(xs as :tuple, n as :number) -> base :nth (n, xs)
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(xs as :tuple, n as :number) -> base :nth (n, xs)
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(str as :string, n as :number) -> when {
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(str as :string, n as :number) -> when {
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neg? (n) -> ""
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neg? (n) -> ""
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@ -52,9 +52,7 @@
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(comment
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(comment
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# (do
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# (do
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(def source `
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(def source `
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let myset = ${1, 2, 3, 3, 2}
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fold (add, [1, 2, 3])
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omit (2, myset)
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myset
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`)
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`)
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(def out (-> source
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(def out (-> source
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ludus
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ludus
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