⚡ optimize lexer
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@ -15,7 +15,7 @@ bool lexer::is_id(char c) {
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}
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bool lexer::is_hex(char c) {
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return std::isdigit(c) || ('a'<=c && c<='f') || ('A'<=c && c<='F');
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return std::isxdigit(c);
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}
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bool lexer::is_oct(char c) {
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