Compute Forward Difference of range.
TODO Is there a difference between whether R r is immutable, const or mutable?
TODO If r contains only one element return empty range.
See also: https://stackoverflow.com/questions/21004944/forward-difference-algorithm See also: http://forum.dlang.org/thread/ujouqtqeehkegmtaxebg@forum.dlang.org#post-lczzsypupcfigttghkwx:40forum.dlang.org See also: http://rosettacode.org/wiki/Forward_difference#D
See Implementation
Compute Forward Difference of range.
TODO Is there a difference between whether R r is immutable, const or mutable?
TODO If r contains only one element return empty range.
See also: https://stackoverflow.com/questions/21004944/forward-difference-algorithm See also: http://forum.dlang.org/thread/ujouqtqeehkegmtaxebg@forum.dlang.org#post-lczzsypupcfigttghkwx:40forum.dlang.org See also: http://rosettacode.org/wiki/Forward_difference#D