Method: IO#printf

Defined in:
io.c

#printf(format_string[, obj, ...]) ⇒ nil

Formats and writes to ios, converting parameters under control of the format string. See Kernel#sprintf for details.

Returns:

  • (nil) 


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# File 'io.c', line 7642

VALUE
rb_io_printf(int argc, const VALUE *argv, VALUE out)
{
    rb_io_write(out, rb_f_sprintf(argc, argv));
    return Qnil;
}