error: Create error-messages.
In LAJordanger/leanRcoding: Leaner R Coding

This function wraps around stop and str_wrap from the stringr-package, and is a minor helper with regard to including detailed error-messages in the code without to much fuzz. It's also possible to get a quoted result.

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error(..., .argument = NULL, n = 1, fun_stack = TRUE,
  quoted = FALSE, width = 80, indent = 4, exdent = 4,
  call. = FALSE, domain = NULL)

`...`	A collection of vectors or lists containing the stuff that first will be inserted into `code_str` and then given to `stop`. Any lists will (after a sanity-check) be split into separate vectors; and each vector will be transformed to its separate paragraph, which will be separated by a blank line. Note that any formatting (like special characters for line breaks or tabulators) will be ignored.
`.argument`	The name(s) of the argument(s) that triggered the error. The default value for this argument is `NULL`, which suppress this part of the message.
`n`	A non-negative integer that select which function to report the error for. The default value `1` selects the function from which `error` was called, whereas higher values goes further up the call-stack (useful when sanity-checking of arguments is taken care of by a separate helper-function). Use `0` to suppress information about the functions. generations to report.
`fun_stack`	Logical value, default `TRUE`, that decides if a presentation of the full call-stack from the top-level to the function specified by `n`. Note that this argument will be reset to `FALSE` if `n` is `0`.
`quoted`	Logical value, default `FALSE`. This can be used to return a quoted version of the error.
`width`	The value to be given to the `width` argument of `str_wrap`. Default value `80`.
`indent`	The value to be given to the `indent` argument of `str_wrap`. Default value `4`.
`exdent`	The value to be given to the `exdent` argument of `str_wrap`. Default value `4`.
`call.`	The value to be given to the `call.`-argument of `stop`: logical, indicating if the call should become part of the error message. The default value for this function is `FALSE`.
`domain`	The value to be given to the `domain`-argument of `stop`: see `gettext`. If `NA`, messages will not be translated. The default value of this argument is `NULL`.

The effect of this function will be that the information given to the dotsMethods-argument will be presented by means of str_wrap and stop, with variations depending on the values given to the other arguments. Note that nothing will be done if no arguments are given to .... If the function is used in the global workspace (happens under the development phase when writing a new function), then an adjusted message will be given with regard to the effect of the arguments fun_stack and n. The argument quoted can be used to return a quoted expression of the error, which might be useful if one would like to figure out if several errors was triggered by faulty arguments.