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Returns an error when an assertion has failed.
This function does not generate an event.
assert_err([message])
Argument | Type | Description |
---|---|---|
message | str (optional) | Alternative error message. |
An error value.
This code shows assert_err():
assert_err();
Return value in JSON format
{
"!": "assert_err()",
"error_code": -50,
"error_msg": "assertion statement has failed"
}