ObjFW  Tags and Properties

Tags and Properties for Check-in ad37db9133

Context
2020-07-25
16:22
OFDate: Use tagged pointers check-in: ad37db9133 user: js tags: tagged-pointers
2020-06-29
19:42
runtime: Add helper functions for tagged pointers check-in: a964d3dcb4 user: js tags: tagged-pointers