Console
Defines C++ wrapper to log/print text messages. More...
Classes
Type | Name |
---|---|
class | eosio::iostream |
Functions
Detailed Description
This API uses C++ variadic templates and type detection to make it easy to print any native type. You can even overload the method for your own custom types.
Example:
print( "hello world, this is a number: ", 5 );
Functions Documentation
function printhex
void eosio::printhex(
const void * ptr,
uint32_t size
)
Prints a block of bytes in hexadecimal
Parameters:
- ptr - pointer to bytes of interest
- size - number of bytes to print
function printl
void eosio::printl(
const char * ptr,
size_t len
)
Prints string to a given length
Parameters:
- ptr - a string
- len - number of chars to print
function print
void eosio::print(
const char * ptr
)
Prints string
Parameters:
- ptr - a null terminated string
function print
void eosio::print(
float num
)
Prints single-precision floating point number (i.e. float)
Parameters:
- num to be printed
function print
void eosio::print(
double num
)
Prints double-precision floating point number (i.e. double)
Parameters:
- num to be printed
function print
void eosio::print(
long double num
)
Prints quadruple-precision floating point number (i.e. long double)
Parameters:
- num to be printed
function print
template<typename T, std::enable_if_t<!std::is_integral< std::decay_t< T >>::value, int >>
void eosio::print(
T && t
)
Prints class object
Parameters:
- t to be printed
Precondition:
T must implements print() function
function print_f
void eosio::print_f(
const char * s
)
Prints null terminated string
Parameters:
- s null terminated string to be printed