Method StrStartsWith

library/cpp/expression/expression_variable.cpp:165–167

    return ToDouble() > secondOperand.ToDouble() + EPS ? 1.0 : 0.0;
}
double TExpressionVariable::StrStartsWith(const TExpressionVariable& secondOperand) const {
    return StringValue.StartsWith(secondOperand.StringValue) ? 1.0 : 0.0;
}
double TExpressionVariable::StrLe(const TExpressionVariable& secondOperand) const {
    return StringValue <= secondOperand.StringValue ? 1.0 : 0.0;
}