123456789012345678901234567890
abcdefghijklmnopqrstuvwxyz
123456789012345678901234567890
12345678901234567890
s3.size() = 20, max_size() = (SIZE_MAX/elsize)-1, capacity() = 48
abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$
HelloWorld
Concatenated HelloWorld string.
s1 < s2
s1 == s1
s1 == s4
56789 == 56789
&s1[7] = 89012345678901234567890
initial:		123456789012345678901234567890
erase(5,find(9)-5)	123459012345678901234567890
erase(5,5)		1234545678901234567890
push_back('x')		1234545678901234567890x
pop_back()
insert(10,#)		1234545678#901234567890
replace(0,5,@)		@45678#901234567890
8 found at 7
9 found at 8
7 rfound at 26
7 rfound again at 16
67 rfound at 25
X was not rfound
[456] found at 3
[456] last found at 25
s2 is empty [], capacity 5 bytes
<31 bytes of 31> Format '<const] 42, [rfile>, 0xDEADBEEF'
Custom vararg MyFormat: '<const] 42, [rfile>, 0xDEADBEEF'
hash_value(s2) = 95A714F3, string::hash(s2) = 95A714F3