On 8.5.2015 8:19, Rustom Mody wrote:
While both versions make sense,  is the one that resembles the
chaining of linear operators or matrices, since column vectors are
the convention. For the left-to-right pipeline version, some other
operator might be more appropriate. Also, it would then be more
clear to also feed x into the pipeline from the left, instead of
putting (x) on the right like in a normal function call.
As a random example, (root @ mean @ square)(x) would produce the
right order for rms when using .