What filename do you want to read? run1.txt
Command: append a 2
CoolVector a: [2] size=1 cap=3
CoolVector b: [] size=0 cap=3

Command: append b 4
CoolVector a: [2] size=1 cap=3
CoolVector b: [4] size=1 cap=3

Command: append a 6
CoolVector a: [2 6] size=2 cap=3
CoolVector b: [4] size=1 cap=3

Command: append a 8
CoolVector a: [2 6 8] size=3 cap=3
CoolVector b: [4] size=1 cap=3

Command: append b 10
CoolVector a: [2 6 8] size=3 cap=3
CoolVector b: [4 10] size=2 cap=3

Command: get a 2
Item is 8
CoolVector a: [2 6 8] size=3 cap=3
CoolVector b: [4 10] size=2 cap=3

Command: get b 1
Item is 10
CoolVector a: [2 6 8] size=3 cap=3
CoolVector b: [4 10] size=2 cap=3