format_error {cli} | R Documentation |
You can then throw this message with stop()
or rlang::abort()
.
format_error(message, .envir = parent.frame())
format_warning(message, .envir = parent.frame())
format_message(message, .envir = parent.frame())
message |
It is formatted via a call to |
.envir |
Environment to evaluate the glue expressions in. |
The messages can use inline styling, pluralization and glue substitutions.
n <- "boo" stop(format_error(c( "{.var n} must be a numeric vector", "x" = "You've supplied a {.cls {class(n)}} vector." )))
len <- 26 idx <- 100 stop(format_error(c( "Must index an existing element:", "i" = "There {?is/are} {len} element{?s}.", "x" = "You've tried to subset element {idx}." )))