tests/testthat/examples/knitr-examples/127-rlang-error-2.md

In parsermd: Formal Parser and Related Tools for R Markdown Documents

title: Error traceback with rlang

Using tools that error with rlang should show backtrace in cell output when configured

options(rlang_backtrace_on_error_report = "full")

f <- function() g()
g <- function() h()
h <- function() rlang::abort("This is an error !")
f()

## Error in `h()`:
## ! This is an error !
## Backtrace:
##     ▆
##  1. └─global f()
##  2.   └─global g()
##  3.     └─global h()
##  4.       └─rlang::abort("This is an error !")

parsermd documentation built on Aug. 21, 2025, 5:27 p.m.