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## oils_failures_allowed: 1
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# Test a[1]
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# This test exposed nondeterminism in CPython itself! Gah. Is this because of
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# the hashing?
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# Python xrange objects probably shouldn't even be comparable!
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#
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# = 1..3 < 1..4
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# >>> xrange(1,3) < xrange(1,4)
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# False
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# >>> xrange(1,3) < xrange(1,4)
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# True
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= 1..3
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## STDOUT:
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(Range) 1 .. 3
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## END
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= 3..3|4
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## STDOUT:
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(Range) 3 .. 7
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## END
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var myarray = :|1 2 3 4|
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pp line (myarray[1])
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pp line (myarray[1:3])
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echo 'implicit'
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pp line (myarray[:2])
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pp line (myarray[2:])
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echo 'out of bounds'
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pp line (myarray[:5])
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pp line (myarray[-5:])
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# Stride not supported
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#= myarray[1:4:2]
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# Now try omitting some
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#= myarray[1:4:2]
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## STDOUT:
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(Str) "2"
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(List) ["2","3"]
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implicit
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(List) ["1","2"]
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(List) ["3","4"]
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out of bounds
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(List) ["1","2","3","4"]
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(List) ["1","2","3","4"]
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## END
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show-py() {
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python3 -c '
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import json, sys; a = [1, 2, 3, 4, 5]; print(json.dumps(eval(sys.argv[1])))' $1
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}
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show-ysh() {
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eval "var a = [1, 2, 3, 4, 5]; json write --pretty=F ($1)"
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}
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compare() {
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local expr=$1
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show-py "$1" | sed 's/ //g'
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show-ysh "$1"
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echo
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}
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compare 'a[1:3]'
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compare 'a[1:100]' # big number
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compare 'a[100:1]' # inverted
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compare 'a[1:-1]'
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compare 'a[-3:-1]'
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compare 'a[-100:-1]' # very negative
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compare 'a[-1:-100]' # inverted
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compare 'a[4:5]'
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## STDOUT:
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[2,3]
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[2,3]
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[2,3,4,5]
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[2,3,4,5]
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[]
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[]
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[2,3,4]
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[2,3,4]
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[3,4]
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[3,4]
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[1,2,3,4]
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[1,2,3,4]
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[]
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[]
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[5]
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[5]
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## END
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var mylist = [1,2,3,4]
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pp line (mylist[1])
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pp line (mylist[1:3])
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echo 'implicit'
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pp line (mylist[:2])
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pp line (mylist[2:])
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## STDOUT:
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(Int) 2
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(List) [2,3]
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implicit
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(List) [1,2]
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(List) [3,4]
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## END
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var myarray = :|1 2 3 4 5|
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pp line (myarray[-1])
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pp line (myarray[-4:-2])
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echo 'implicit'
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pp line (myarray[:-2])
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pp line (myarray[-2:])
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## STDOUT:
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(Str) "5"
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(List) ["2","3"]
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implicit
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(List) ["1","2","3"]
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(List) ["4","5"]
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## END
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var mydict = {['5']: 3}
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var val = mydict["$[2+3]"]
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echo $val
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## STDOUT:
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3
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## END
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var a = [1,2,3]
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var b = a[:]
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pp line (b)
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## STDOUT:
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(List) [1,2,3]
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## END
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for i in (1..5) {
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echo $[i]
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}
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for i, n in (1..4) {
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echo "$[i], $[n]"
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}
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## STDOUT:
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1
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2
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3
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4
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0, 1
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1, 2
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2, 3
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## END
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# Regression test for bug found during dev. Loops over backwards ranges should
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# terminate immediately.
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for i in (5..1) {
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echo $[i]
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}
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## STDOUT:
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## END
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qtt pretty :mytable <<< '''
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name age:Int
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alice 42
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bob 31
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carol 20
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'''
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# Cut off the first two rows
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var t1 = mytable[2:, :]
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= t1
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var t2 = mytable[:2, 3:4]
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= t2
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var t3 = mytable[:2, %(name age)]
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= t3
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## STDOUT:
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(Str) 'TODO: Table Slicing'
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(Str) 'TODO: Table Slicing'
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## END
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