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output_is(<<'CODE', <<'OUT', "string interpolation"); sub main () { $z = 1; @a = (1..3); $z1 = @a; ... CODE z=(1) a=(1 2 3) $z1=@a=(3) OUT
output_is(<<'CODE', <<'OUT', "concatenation chain"); sub main() { @a = (2,4,8); ... 2 4 8 stop OUT
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