[ Version ( since = "0.7.21" ) ]
public void set_string (uint part, string key, string s)
Set key in part part of this to have s as a string value.
| this |
a message |
| part |
a part number, which must be strictly less than the number returned by count_parts |
| key |
a key in the mapping representing the part |
| s |
a string value |