discord (version 1.2.3)

discord_cond: Custom Conditions for the discord package

Description

Custom Conditions for the discord package

Usage

discord_cond(type, msg, class = paste0("discord-", type), call = NULL, ...)

Value

A condition for discord.

Arguments

type

One of the following conditions: c("error", "warning", "message")

msg

Message

class

Default is to prefix the 'type' argument with "discord", but can be more specific to the problem at hand.

call

What triggered the condition?

...

Additional arguments that can be coerced to character or single condition object.

Examples

if (FALSE) {

derr <- function(x) discord_cond("error", x)
dwarn <- function(x) discord_cond("warning", x)
dmess <- function(x) discord_cond("message", x)

return_class <- function(func) {
  tryCatch(func,
    error = function(cond) class(cond),
    warning = function(cond) class(cond),
    message = function(cond) class(cond)
  )
}

return_class(derr("error-class"))
return_class(dwarn("warning-class"))
return_class(dmess("message-class"))
}