Reference
Returns the character represented by that NUMBER in the character set.
For example, chr(65) is "A"
in either ASCII or Unicode, and
chr(0x263a) is a Unicode smiley face. Note that characters from 128
to 255 (inclusive) are by default not encoded in UTF-8 Unicode for
backward compatibility reasons (but see encoding).
If NUMBER is omitted, uses $_
.
For the reverse, use "ord".
Note that under the bytes
pragma the NUMBER is masked to
the low eight bits.
See perlunicode and encoding for more about Unicode.
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