Conditions — conditions • arkhe

throw_error() stops execution of the current expression and executes an error action.
throw_warning() generates a warning message.
catch_conditions() and catch_message() handles unusual conditions.

Usage

throw_error(.subclass, message, call = NULL, ...)

throw_warning(.subclass, message, call = NULL, ...)

catch_message(expr)

catch_conditions(expr)

Arguments

.subclass: A character string specifying the class of the message to be returned.
message: A character string specifying the message to be returned.
call: The call.
...: Extra arguments.
expr: An expression to be evaluated.

Author

N. Frerebeau