Complete the isFloat() function which returns true if a token represents a floating-point number. This is a little more difficult than isInt. The token "42" should return false, while "1.5" and "2e3" should return true. #include #include #include using namespace std; bool isFloat(const string& token) { ... }

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Complete the isFloat() function which returns true if a token represents a floating-point number. This is a little more difficult than isInt. The token "42" should return false, while "1.5" and "2e3" should return true.

#include <iostream>
#include <sstream>
#include <string>
using namespace std;

bool isFloat(const string& token)
{

...

}

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