ObjFW  Tags and Properties

Tags and Properties for Check-in ff6eb7b6c3

Context
2020-08-30
15:40
Merge trunk into branch "tagged-pointers" check-in: ff6eb7b6c3 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