dot-capture_args: Capture the calling function's formal arguments

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Capture the calling function's formal arguments

Description

Returns a named list of the bound formal arguments (excluding ...) of the calling function, suitable for passing to .report_api_error() / .report_api_warning(). Tolerates functions with empty or ...-only formals (where names(formals()) is NULL), unlike the inline mget(setdiff(names(formals()), "...")) pattern that errors with ⁠mget: invalid first argument⁠ for arg-less wrappers.

Usage

.capture_args()

Details

Caller usage:

some_wrapper <- function(...) {
  .args <- .capture_args()
  ...
}

Value

Named list. Empty list if the caller has no non-... formals.

wehoop documentation built on Aug. 25, 2026, 1:06 a.m.