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Annotation of 43BSD/contrib/icon/samples/seqimage.icn, revision 1.1

1.1     ! root        1: #
        !             2: #          R E S U L T   S E Q U E N C E   I M A G E S
        !             3: #
        !             4: 
        !             5: #  This program illustrates a technique for producing string images
        !             6: #  of result sequences, using co-expressions.
        !             7: 
        !             8: procedure main()
        !             9:    write(Seqimage(create 1 to 10))
        !            10:    write(Seqimage(create &fail))
        !            11:    write(Seqimage(create (1 to 10 by 2) | (10 to 1 by -2)))
        !            12:    write(Seqimage(create !"abc" || !"xy"))
        !            13:    write(Seqimage(create Seqimage | main))
        !            14:    write(Seqimage(create |read()))
        !            15: end
        !            16: 
        !            17: procedure Seqimage(e)
        !            18:    local s
        !            19:    s := ""
        !            20:    while s ||:= ", " || image(@e)
        !            21:    return "{" || s[3:0] || "}" | "{}"
        !            22: end

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