Plots the underlying tree structure used by an interval_index.
Usage
# S3 method for class 'interval_index'
plot(x, ...)Examples
ix <- interval_index("a", "b", "c", start = c(1, 3, 5), end = c(2, 4, 6))
plot(ix)
#> Error in plot_tree(x, ...): Package 'igraph' is required for plot_tree(). Install it with install.packages('igraph').