64 lines
2.1 KiB
Text
64 lines
2.1 KiB
Text
def f (s : String) : String :=
|
||
s ++ " " ++ s
|
||
|
||
def g (s : String) : String :=
|
||
s.push ' ' ++ s.push '-'
|
||
|
||
def h (s : String) : String :=
|
||
let it₁ := s.mkIterator;
|
||
let it₂ := it₁.next;
|
||
it₁.remainingToString ++ "-" ++ it₂.remainingToString
|
||
|
||
#eval "hello" ++ "hello"
|
||
#eval f "hello"
|
||
#eval (f "αβ").length
|
||
#eval "hello".toList
|
||
#eval "αβ".toList
|
||
#eval "".toList
|
||
#eval "αβγ".toList
|
||
#eval "αβγ".mkIterator.1
|
||
#eval "αβγ".mkIterator.next.1
|
||
#eval "αβγ".mkIterator.next.next.1
|
||
#eval "αβγ".mkIterator.next.2
|
||
#eval "αβ".1
|
||
#eval "αβ".push 'a'
|
||
#eval g "α"
|
||
#eval "".mkIterator.curr
|
||
#eval ("αβγ".mkIterator.setCurr 'a').toString
|
||
#eval (("αβγ".mkIterator.setCurr 'a').next.setCurr 'b').toString
|
||
#eval ((("αβγ".mkIterator.setCurr 'a').next.setCurr 'b').next.setCurr 'c').toString
|
||
#eval ((("αβγ".mkIterator.setCurr 'a').next.setCurr 'b').prev.setCurr 'c').toString
|
||
#eval ("abc".mkIterator.setCurr '0').toString
|
||
#eval (("abc".mkIterator.setCurr '0').next.setCurr '1').toString
|
||
#eval ((("abc".mkIterator.setCurr '0').next.setCurr '1').next.setCurr '2').toString
|
||
#eval ((("abc".mkIterator.setCurr '0').next.setCurr '1').prev.setCurr '2').toString
|
||
#eval ("abc".mkIterator.setCurr (Char.ofNat 955)).toString
|
||
#eval h "abc"
|
||
#eval "abc".mkIterator.remainingToString
|
||
#eval ("a".push (Char.ofNat 0)) ++ "bb"
|
||
#eval (("a".push (Char.ofNat 0)) ++ "αb").length
|
||
#eval "".mkIterator.hasNext
|
||
#eval "a".mkIterator.hasNext
|
||
#eval "a".mkIterator.next.hasNext
|
||
#eval "".mkIterator.hasPrev
|
||
#eval "a".mkIterator.next.hasPrev
|
||
#eval "αβ".mkIterator.next.hasPrev
|
||
#eval "αβ".mkIterator.next.prev.hasPrev
|
||
#eval "abc" == "abc"
|
||
#eval "abc" == "abd"
|
||
#eval "αβγ".drop 1
|
||
#eval "αβγ".takeRight 1
|
||
|
||
def ss : Substring := "0123abcdαβγδ".toSubstring
|
||
#eval ss.drop 4 |>.takeRight 4
|
||
#eval ss.drop 4 |>.take 4
|
||
#eval ss.dropRight 4 |>.takeRight 4
|
||
|
||
def ssDots : Substring := "____abc.αβγ.123.____".toSubstring.extract ⟨4⟩ ⟨19⟩
|
||
#eval ssDots.splitOn "."
|
||
def ssHyphs : Substring := "____abc--αβγ--123--____".toSubstring.extract ⟨4⟩ ⟨22⟩
|
||
#eval ssHyphs.splitOn "--"
|
||
|
||
#eval "αβγ".get' 0 (by decide)
|
||
#eval "αβγ".get' ⟨2⟩ (by decide)
|
||
#eval "αβγ".next' ⟨2⟩ (by decide)
|