Brian Arnold
Swift 4 Codable with JSON decoding
Gideon Goldin
a visual, multiple timer/stopwatch app
Jeff Lynch
Mac app demo
Mitch Cohen (if time permits)
Swift compile time trick
Swift Other Compiler Flags
-Xfrontend -debug-time-function-bodies
-Xfrontend -warn-long-function-bodies=1000
Attendance: 5 + 8 + 8 = 21