Flow-control structures: Difference between revisions
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(→{{header|Python}}: introduced an explicit header structure) |
(→Case 7 - Creating your own custom exceptions, raise: shorten version) |
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# Let's call our custom error "StupidError"; it inherits from the Exception class |
# Let's call our custom error "StupidError"; it inherits from the Exception class |
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class StupidError(Exception): |
class StupidError(Exception): pass |
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def __init__(self, value): # 'value' is a constructor argument |
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self.value = value |
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def __str__(self): |
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return repr(self.value) |
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# Try it out. |
# Try it out. |
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raise StupidError("Segfault") # here, we manually 'raise' the error within the try block |
raise StupidError("Segfault") # here, we manually 'raise' the error within the try block |
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except StupidError, details: # 'details' is the StupidError object we create in the try block. |
except StupidError, details: # 'details' is the StupidError object we create in the try block. |
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print 'Something stupid occurred:', details |
print 'Something stupid occurred:', details # so we access the value we had stored for it... |
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# Output : |
# Output : |
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# Something stupid occurred: Segfault |
# Something stupid occurred: Segfault |
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</pre> |
</pre> |
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====Case 8 - continue==== |
====Case 8 - continue==== |
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<pre> |
<pre> |
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