Full:
    █
 1. └─NULL %>% f() %>% g(1, 2) %>% h(3, ., 4)
 2.   ├─base::withVisible(eval(quote(`_fseq`(`_lhs`)), env, env))
 3.   └─base::eval(quote(`_fseq`(`_lhs`)), env, env)
 4.     └─base::eval(quote(`_fseq`(`_lhs`)), env, env)
 5.       └─rlang:::`_fseq`(`_lhs`)
 6.         └─magrittr::freduce(value, `_function_list`)
 7.           ├─base::withVisible(function_list[[k]](value))
 8.           └─function_list[[k]](value)
 9.             └─rlang:::h(3, ., 4)

Collapsed:
    █
 1. └─[ NULL %>% f() %>% g(1, 2) %>% h(3, ., 4) ] with 7 more calls
 9.   └─rlang:::h(3, ., 4)

Branch:
 1. rlang:::f(.)
 1. rlang:::g(., 1, 2)
 9. rlang:::h(3, ., 4)
