Helper Function For Matching Map Values to Names

This is used by the rename method. It wraps the assertions and the matching used several times.

h_map_pos(names, map)

Arguments

names: (character)
original names.
map: (named character)
the mapping vector from old (value) to new (name) names. All values must be included in names.

Integer vector of the positions of the map values in the names.

h_map_pos(c("a", "b"), c(d = "b"))
#> [1] 2