The new iteration protocol involves the functions Base.IteratorSize
and Base.IteratorEltype
. Is there a recommended methodology for writing tests for these functions? In particular, how are their effects observable in user-level code?
In more detail, I recently rewrote iteration for sorted containers in the DataStructures.jl package; refer to this file:
https://github.com/StephenVavasis/DataStructures.jl/blob/28f49e1c78c33bc8cdbaceb3bf9c110faad38957/src/container_loops.jl
The logic in this file is complicated, and I don’t have experience with Base.IteratorSize
and Base.IteratorEltype
, so I want to write tests for the DataStructures.jl package test set to make sure their usage is correct.