Add utf8::character_start function
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@ -81,6 +81,15 @@ bool is_character_start(Iterator it)
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return (*it & 0xC0) != 0x80;
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}
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// returns an iterator to the first byte of the character it is into
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template<typename Iterator>
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Iterator character_start(Iterator it)
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{
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while (not is_character_start(it))
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--it;
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return it;
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}
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namespace InvalidBytePolicy
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{
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