繼承 (Inheritance)
Example:
1 |
Output
# run 10000
# t:0 start get room id:1
# t:0 finish get room id:1
# t:0 start get room id:2
# t:5 start return room id:1
# t:5 finish return room id:1
# t:5 finish get room id:2
# t:15 start return room id:2
# t:15 finish return room id:2
# quit -f