Created
January 31, 2014 22:51
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Find the maximum depth of a nested list structure
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| a = list(list("a", "b"), list(list(list(list(list("c")))), list(list("d"))), 1) | |
| is_list = function (x) { | |
| if (class(x) == "list") { | |
| 1 + max(sapply(x, is_list)) | |
| } else { | |
| 0 | |
| } | |
| } | |
| max(sapply(a, is_list)) |
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