is this the best we can do ? ```pages.toMutableMap...

# getting-started

[ursus]

is this the best we can do ?

pages.toMutableMap().apply { this[currentPage] = it }.toMap())

[nanodeath]

don't think so -- that duplicates the entire map twice, when you really only need to duplicate it once. 1. convert to mutable map, 2. add field, 3. return (or cast I guess) to Map

[ilya.gorbunov]

Just put a key-value pair to it:
pages + (currentPage to it)

[nanodeath]

oh yeah 😛