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with_message
and with_warning
add a warning or a message to a function.
without_message
and without_warning
turn the warning and message off.
with_message(.f, msg)with_warning(.f, msg)
without_message(.f)
without_warning(.f)
the function to wrap
the message to print
a function
# NOT RUN {
msg_as_num <- with_message(as.numeric, msg = "Numeric conversion")
warn_as_num <- with_warning(as.numeric, msg = "Numeric conversion")
# }
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