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#SRC: JCON
# check coercion of operator arguments
# uses string invocation of operations
procedure main()
local i, r, c, s
i := 1
r := 2
c := '3'
s := "9"
every unop(!"+-*!/\\", i, r, c, s)
write()
every binop(!"+-*/%^<=>" | "<<" | "==" | ">>" , i, r, c, s)
binop("[]", i, r, '12345', "67890")
every binop("++" | "--" | "**", 12, .23, 'x1', "x2")
write()
every toby(2.3 | '20' | "2", 17.5 | '71' | "17", 3.1 | '30' | "3.2")
write()
every writes(" ", ~~(1257787 | 3.14159 | "arizona") | "\n")
every writes(" ", ((123456 | 678.901 | 'tucson') ? move(5)) | "\n")
end
procedure toby(i, j, k)
local n, s
s := image(i) || " to " || image(j) || " by " || image(k) || ":"
writes(left(s, 24))
every n := i to j by k do
writes(" ", n)
write()
end
procedure unop(o, i, r, c, s)
write(left(o || "x", 7),
right(o(i) | "---", 6),
right(o(r) | "---", 6),
right(o(c) | "---", 6),
right(o(s) | "---", 6))
return
end
procedure binop(o, i, r, c, s)
write("x ", left(o || " y", 5),
right(o(i, r) | "---", 6),
right(o(i, c) | "---", 6),
right(o(i, s) | "---", 6),
right(o(r, i) | "---", 6),
right(o(r, c) | "---", 6),
right(o(r, s) | "---", 6),
right(o(c, i) | "---", 6),
right(o(c, r) | "---", 6),
right(o(c, s) | "---", 6),
right(o(s, i) | "---", 6),
right(o(s, r) | "---", 6),
right(o(s, c) | "---", 6))
return
end
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