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#ifndef STRINGTOOLS_CHARTOOLS_H
#define STRINGTOOLS_CHARTOOLS_H
#include <string>
/* Handy utensils to manipulate characters */
class CharTools {
public:
//! Checks whether or not `c` is a vowel. You can define custom vowel characters.
static bool IsVowel(const char c, const std::string &vowels = "euioay");
//! Returns whether or not `c` is a letter.
static bool IsLetter(const char c);
//! Returns whether or not `c` is a digit.
static bool IsDigit(const char c);
//! Checks whether or not `c` is an uppercase character.
static bool IsUpper(const char c);
//! Checks whether or not `c` is a lowercase character.
static bool IsLower(const char c);
//! Will return `c` as an uppercase character.
static char MakeUpper(char c);
//! Will return `c` as a lowercase character.
static char MakeLower(char c);
//! Will return `c` with the same capitalization as `sign`.
static char CopySign(char sign, char c);
};
#endif //STRINGTOOLS_CHARTOOLS_H
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