MapIndexed

MapIndexed(f, expr)

applies f to each part on the first level of expr and appending the elements position as a list in the second argument.

MapIndexed(f, expr, levelspec)

applies f to each level specified by levelspec of expr and appending the elements position as a list in the second argument.

Examples

>> MapIndexed(f, {{{{a, b}, {c, d}}}, {{{u, v}, {s, t}}}}, 2)
{f({f({{a,b},{c,d}},{1,1})},{1}),f({f({{u,v},{s,t}},{2,1})},{2})}

Implementation status

• ✅ - full supported

Github

• Implementation of MapIndexed