Changes between Initial Version and Version 1 of Throw

Throw

v1	v1
	1	= Throw =
	2
	3	The '''throw''' statement is used to signal the occurrence of an anomalous situation (exception) during the program execution.
	4
	5	The thrown exception is an object whose class is derived from System.Exception, for example:
	6	{{{
	7	class MyException inherits System.Exception
	8	pass
	9	# ...
	10	throw MyException()
	11	}}}
	12
	13	Usually the throw statement is used with try-catch-finally statements.
	14
	15	You can also rethrow a caught exception using the throw statement by specifying the caught exception
	16	{{{
	17	catch exc as MyException
	18	if passOn
	19	throw exc # rethrow caught exception
	20	# ...
	21	}}}
	22
	23	== Grammar ==
	24	{{{
	25	throw EXCEPTION_OBJECT
	26	}}}
	27
	28	== Example ==
	29	{{{
	30	class ThrowTest
	31	def getNumber(index as int) as int
	32	nums = [ 300, 600, 900 ]
	33	if index > nums.length
	34	throw IndexOutOfRangeException()
	35	return nums[index]
	36
	37	def main is shared
	38	result = ThrowTest.getNumber(3)
	39
	40	/#
	41	Output:
	42	The System.IndexOutOfRangeException exception occurs.
	43	#/
	44	}}}