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Calls the given block with each successive codepoint from +self+;
each codepoint is the integer value for a character;
returns +self+:
'hello'.each_codepoint {|codepoint| print codepoint, ' ' }
print "\n"
'тест'.each_codepoint {|codepoint| print codepoint, ' ' }
print "\n"
'こんにちは'.each_codepoint {|codepoint| print codepoint, ' ' }
print "\n"
Output:
104 101 108 108 111
1090 1077 1089 1090
12371 12435 12395 12385 12399
Returns an enumerator if no block is given.
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