On Friday, 11 January 2019 at 16:06:48 UTC, Alex wrote:
On Friday, 11 January 2019 at 16:02:27 UTC, Head Scratcher
wrote:
Thank you. This works great. What I don't understand is how a
key-value pair ends up being a set of strings. Where did the
value of the key-value pair get removed? According to the
library documentation, the array function "allocates an array
and initializes it with copies of the elements of range r." So
wouldn't the resulting array contain pairs? And if so, how
does the sort work on pairs?
By map you map the pair to its key resp. its first element. The
result of the map contains the right-hand side of the "=>"
expression only.
Ah, that makes sense. Thank you for the explanation.
