Generic wrapper around ggplot2 layer functions.
xp_geoms(mapping = NULL, xp_theme, name, ggfun, ...)
Output of the `ggfun` call.
ggplot2 aesthetics for the target layer.
An `xpose_theme` object.
Name of the destination layer for the argument parsing (e.g. point).
Name of the ggplot2 layer function to be called.
Additional arguments to be parsed and passed to the destination layer.