Description Usage Arguments Details Examples
Create a new lens that views and sets each element of the list.
1 | map_l(l)
|
l |
the lens to promote |
Uses lapply under the hood for view and mapply under the hood for set. This means that set can be given a list of values to set, one for each element. If the input or update are lists this lens always returns a list. If the input and update are vectors this lens will return a vector.
1 2 3 |
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