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researchv10 Dan Cross

copy(1) ----> 1
copy(1.0) ----> 1.0
copy("abc") ----> "abc"
copy('aabbcc') ----> 'abc'
copy(main) ----> procedure main
copy([1,2,3]) ----> list(3)
copy(table(0)) ----> table(0)
copy() ----> &null
copy(&input) ----> &input
w := copy(write) ----> function write
function write
w(image(w)) ----> "function write"
copy(array()) ----> record array(7)
copy := copy(copy) ----> function copy
x := copy(array) ----> record constructor array
x := x(1,2,3,4,5,6,7) ----> record array(7)
x[-4] ----> 4
v := copy(c) ----> &null
Run-time error 106 at line 26 in expr31.icn
procedure or integer expected
offending value: &null

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