Class __locale_struct
   size=116 align=4
   base size=116 base align=4
__locale_struct (0x0x7f6eb3945720) 0

Class <anonymous struct>
   size=8 align=4
   base size=8 base align=4
<anonymous struct> (0x0x7f6eb3945780) 0

Class WriteBuffer
   size=16 align=4
   base size=16 base align=4
WriteBuffer (0x0x7f6eb39457e0) 0

