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25 lines
1014 B
Plaintext
25 lines
1014 B
Plaintext
IO.print("abcd".indexOf("")) // expect: 0
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IO.print("abcd".indexOf("cd")) // expect: 2
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IO.print("abcd".indexOf("a")) // expect: 0
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IO.print("abcd".indexOf("abcd")) // expect: 0
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IO.print("abcd".indexOf("abcde")) // expect: -1
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IO.print("abab".indexOf("ab")) // expect: 0
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// More complex cases.
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IO.print("abcdefabcdefg".indexOf("defg")) // expect: 9
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IO.print("abcdabcdabcd".indexOf("dab")) // expect: 3
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IO.print("abcdabcdabcdabcd".indexOf("dabcdabc")) // expect: 3
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IO.print("abcdefg".indexOf("abcdef!")) // expect: -1
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// Non-ASCII. Note that it returns byte indices, not code points.
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IO.print("søméஃthîng".indexOf("e")) // expect: -1
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IO.print("søméஃthîng".indexOf("m")) // expect: 3
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IO.print("søméஃthîng".indexOf("thî")) // expect: 9
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// 8-bit clean.
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IO.print("a\0b\0c".indexOf("\0")) // expect: 1
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IO.print("a\0b\0c".indexOf("a")) // expect: 0
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IO.print("a\0b\0c".indexOf("b\0c")) // expect: 2
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IO.print("a\0b\0c".indexOf("a\0b\0c\0d")) // expect: -1
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IO.print("a\0b\0a\0b".indexOf("a\0b")) // expect: 0
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