include?(p1)
  public
  
    
    
Returns true if str contains the given string or character.
"hello".include? "lo"   
"hello".include? "ol"   
"hello".include? ?h     
   
  
    Show source    
    
      static VALUE
rb_str_include(VALUE str, VALUE arg)
{
    long i;
    StringValue(arg);
    i = rb_str_index(str, arg, 0);
    if (i == -1) return Qfalse;
    return Qtrue;
}