Graceful exit information

A graceful exit^[1] (or graceful handling) is a simple programming idiom^{[citation needed]} wherein a program detects a serious error condition and "exits gracefully" in a controlled manner as a result. Often the program prints a descriptive error message to a terminal or log as part of the graceful exit.

Usually, code for a graceful exit exists when the alternative — allowing the error to go undetected and unhandled — would produce spurious errors or later anomalous behavior that would be more difficult for the programmer to debug. The code associated with a graceful exit may also take additional steps, such as closing files, to ensure that the program leaves data in a consistent, recoverable state.

Graceful exits are not always desired. In many cases, an outright crash can give the software developer the opportunity to attach a debugger or collect important information, such as a core dump or stack trace, to diagnose the root cause of the error.

In a language that supports formal exception handling, a graceful exit may be the final step in the handling of an exception. In other languages graceful exits can be implemented with additional statements at the locations of possible errors.

The phrase "graceful exit" has also been generalized to refer to letting go from a job or relationship in life that has ended.^[2]^[3]

^ "graceful exit". The Free Dictionary. Retrieved September 25, 2016.
^ Ellen Goodman. "Quote by Ellen Goodman: "There's a trick to the 'graceful exit.' It begi..."". Goodreads. There's a trick to the 'graceful exit.' It begins with the vision to recognize when a job, a life stage, or a relationship is over — and let it go. It means leaving what's over without denying its validity or its past importance to our lives. It involves a sense of future, a belief that every exit line is an entry, that we are moving up, rather than out.
^ Sue Shellenbarger (August 18, 2015). "How to Leave Your Job Gracefully". The Wall Street Journal. A graceful exit can burnish an employee's reputation and shore up valuable relationships. A bad one can do serious damage to both.

[1] "graceful exit". The Free Dictionary. Retrieved September 25, 2016.

[2] Ellen Goodman. "Quote by Ellen Goodman: "There's a trick to the 'graceful exit.' It begi..."". Goodreads. There's a trick to the 'graceful exit.' It begins with the vision to recognize when a job, a life stage, or a relationship is over — and let it go. It means leaving what's over without denying its validity or its past importance to our lives. It involves a sense of future, a belief that every exit line is an entry, that we are moving up, rather than out.

[3] Sue Shellenbarger (August 18, 2015). "How to Leave Your Job Gracefully". The Wall Street Journal. A graceful exit can burnish an employee's reputation and shore up valuable relationships. A bad one can do serious damage to both.

Graceful exit information

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