Map Over Multiple Trees — pmap_tree • anvl

Apply a function leaf-wise over several trees with the same structure. All trees in .l must have identical structure.

Usage

pmap_tree(.l, .f, ...)

Arguments

.l: (list)
A non-empty list of trees, all with the same structure.
.f: (function)
Function to call with one leaf from each tree (positional arguments, in the order given by .l).
...: Additional arguments passed to .f after the per-tree leaves.

Value

A tree with the same structure as .l[[1]], where each leaf is .f(leaf_1, leaf_2, ..., leaf_n ...).

See also

map_tree(), flatten(), unflatten()

Examples

pmap_tree(list(list(a = 1, b = 2), list(a = 10, b = 20)), `+`)
#> $a
#> [1] 11
#> 
#> $b
#> [1] 22
#>