experimental

util/deprecate

The deprecate module provides helper functions to deprecate code.

API Reference

Functions

deprecateFunction(fun, msg)

Dump to the console the error message given in the second argument, prefixed with "DEPRECATED:", and print the stacktrace; then execute the function passed as first argument and returns its value.

It does not raise an exception, but just displays the error message and continues to execute the function.

This function is mostly used to flag usage of deprecated functions, that are still available but which we intend to remove in a future release.

fun : function

The function to execute after the error message

msg : string

The error message to display

Returns: *

The returned value from fun

deprecateUsage(msg)

Dump to the console the error message given, prefixed with "DEPRECATED:", and print the stacktrace.

It does not raise an exception, but just displays the error message and returns.

This function is mostly used to flag usage of deprecated functions that are no longer available.

msg : string

The error message to display