Title
s

sreich

02/02/2017, 8:51 PM
Uh... It says map minus returns a copy of the map minus that element... Why...A copy?
i

ilya.gorbunov

02/02/2017, 10:03 PM
sreich: same as Map.plus 😉
b

berkus

02/03/2017, 8:10 AM
because immutability is good!