ios.h

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#pragma once
#include "fl/stl/noexcept.h"
 
namespace fl {
 
// Forward declarations
class ostream;
class sstream;
 
//-----------------------------------------------------------------------------
// I/O Formatting Flags
//-----------------------------------------------------------------------------
enum class fmtflags {
    dec = 0,   // decimal base
    hex = 1,   // hexadecimal base
    oct = 2    // octal base
};
 
//-----------------------------------------------------------------------------
// I/O Manipulators for Stream Formatting
//-----------------------------------------------------------------------------
 
// Hexadecimal manipulator
struct hex_t {};
extern const hex_t hex;
 
ostream& operator<<(ostream& os, const hex_t&) FL_NO_EXCEPT;
sstream& operator<<(sstream& ss, const hex_t&) FL_NO_EXCEPT;
 
// Decimal manipulator
struct dec_t {};
extern const dec_t dec;
 
ostream& operator<<(ostream& os, const dec_t&) FL_NO_EXCEPT;
sstream& operator<<(sstream& ss, const dec_t&) FL_NO_EXCEPT;
 
// Octal manipulator (for completeness)
struct oct_t {};
extern const oct_t oct;
 
ostream& operator<<(ostream& os, const oct_t&) FL_NO_EXCEPT;
sstream& operator<<(sstream& ss, const oct_t&) FL_NO_EXCEPT;
 
} // namespace fl