21 lines
555 B
Text
21 lines
555 B
Text
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# define custom exception class
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# StandardError is base class for all exception classes
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class MyError : StandardError {
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def initialize: message {
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# forward to StdError's initialize method
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super initialize: message
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}
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}
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try {
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# raises/throws a new MyError exception within try-block
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MyError new: "my message" . raise!
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} catch MyError => e {
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# catch exception
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# this will print "my message"
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e message println
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} finally {
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# this will always be executed (as in e.g. Java)
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"This is how exception handling in Fancy works :)" println
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}
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