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kip
According to the docs:
If and only if the Unicode translation modifier is used in the format string (that is, ~ts or ~tc), the resulting list can contain characters beyond the ISO Latin-1 character range (that is, numbers > 255)
I find using the iex h helper very useful in these cases.
iex> h :io_lib.format
Therefore:
iex> IO.puts(:io_lib.format("hello ~10ts ~n", ["👻"]))
hello 👻
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benwilson512
I think you’re sort of over complicating it, you can just interpolate it directly:
iex(2)> ghost = "👻"
"👻"
iex(3)> IO.puts "Hello #{ghost}"
Hello 👻
:ok
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