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module builtin
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pub fn utf8_str_visible_length(s string) int {
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// todo: proper implementation
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res := 0
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#res.val = s.str.length;
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return res
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}
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pub fn utf8_str_len(s string) int {
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return s.len
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}
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pub fn utf8_char_len(b u8) int {
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return ((0xe5000000 >> ((b >> 3) & 0x1e)) & 3) + 1
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}
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