I have always believed that, in get(X,y,z), z would be evaluated only
when dictionary X does not contain key y. Today, to my surprise, I have
discovered that it is not the case:

    fun! Loop()
      call Loop()
    endf

    let H = { 'a': 1 }

    if has_key(H, 'a') || Loop() " Fine, this is evaluated lazily
    endif

    echo (get(H, 'a') != 0) ? "" : Loop() " Fine, lazy

    " But, endless recursion here:
    echo get(H, 'a', Loop())

What is the rationale for this behaviour?

Thanks,
Life.

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