On Monday, 10 November 2014 at 19:58:32 UTC, Nordlöw wrote:
On Monday, 10 November 2014 at 03:38:49 UTC, Andrei Alexandrescu wrote:
That's a better approach, thanks. A few compelling examples would help.


Andrei

One more thing. How should reverse sorting be handled in elegant way? Like this

https://github.com/nordlow/justd/blob/master/sort_ex.d#L57

or via some other clever solution I haven't thought about?

By chaining it with std.range.retro? But this will of course be lazy, and will lose the information that the range is sorted.

Maybe there doesn't need to be a special facility for that, if it's allowed to specify arbitrary expressions?

    container.sortBy!(a =>  a.intMember)    // ascending
    container.sortBy!(a => -a.intMember)    // descending

Or shorter (the expression will be mixed in):

    container.sortBy!" intMember";          // ascending
    container.sortBy!"-intMember";          // descending

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