Preview Ruby 4.1 is a preview. It can change before the final release. Switch to Ruby 4.0 →
instance method
ObjectSpace::WeakKeyMap#inspect
() -> ::String
map.inspect → new_string
weakmap.c
View on GitHub ↗
static VALUE
wkmap_inspect(VALUE self)
{
struct weakkeymap *w;
TypedData_Get_Struct(self, struct weakkeymap, &rb_weakkeymap_type, w);
st_index_t n = st_table_size(w->table);
#if SIZEOF_ST_INDEX_T <= SIZEOF_LONG
const char * format = "#<%"PRIsVALUE":%p size=%lu>";
#else
const char * format = "#<%"PRIsVALUE":%p size=%llu>";
#endif
VALUE str = rb_sprintf(format, rb_class_name(CLASS_OF(self)), (void *)self, n);
return str;
}
Returns a new String containing information about the map:
Example
m = ObjectSpace::WeakKeyMap.new m[key] = value m.inspect # => "#<ObjectSpace::WeakKeyMap:0x00000001028dcba8 size=1>"