length for iterators

2016-10-30 01:18:20 +01:00 · 2016-10-30 01:18:20 +01:00 · 4d45ee1bb9
commit 4d45ee1bb9
parent ce0cde0d2b
1 changed files with 2 additions and 0 deletions
--- a/src/data.jl
+++ b/src/data.jl
@ -9,6 +9,8 @@ import Iterators: partition

 export partition

+Base.length(l::Iterators.Partition) = length(l.xs) ÷ l.step
+
 _partition(r::UnitRange, step::Integer) = (step*(i-1)+1:step*i for i in 1:(r.stop÷step))
 _partition(xs, step) = (xs[i] for i in _partition(1:length(xs), step))