RE: [sv-bc] Aggregate expressions

Does anyone object to the editor replacing 'constructors' with
'assignment patterns'?
 
Thanks,
Shalom


________________________________

	From: owner-sv-bc@server.eda.org
[mailto:owner-sv-bc@server.eda.org] On Behalf Of Bresticker, Shalom
	Sent: Thursday, February 28, 2008 12:20 PM
	To: danielm; sv-bc
	Subject: RE: [sv-bc] Aggregate expressions
	
	
	I also don't think the term 'aggregate expression' is well
defined.
	 
	I also don't think the first sentence makes sense:
	"Unpacked structure and array data objects, as well as unpacked
structure and array constructors, can all be used as aggregate
expressions."
	
	
	What is meant by "unpacked structure and array constructors,"
which are different from data objects?
	 
	The version of this sentence in SV 3.1a is,
	"Unpacked structure and array variables, literals, and
expressions can all be used as aggregate expressions."

	
	
	So "literals and expressions" are contrasted to "variables". In
1800, we still have structure and array "literals". But what are called
structure and array "expressions" in 3.1a, are now called "assignment
patterns". Since structure and array literals are a form of assignment
patterns, I think "constructors" in the sentence should be replaced with
"assignment patterns".
	 
	Shalom

________________________________

		
		 From: owner-sv-bc@server.eda.org
[mailto:owner-sv-bc@server.eda.org] On Behalf Of Bresticker, Shalom
		Sent: Thursday, February 28, 2008 11:47 AM
		To: danielm; sv-bc
		Subject: RE: [sv-bc] Aggregate expressions
		
		
		I don't think this paragraph was intended to be a
complete list.
		 
		Shalom


________________________________

			From: owner-sv-bc@server.eda.org
[mailto:owner-sv-bc@server.eda.org] On Behalf Of danielm
			Sent: Thursday, February 28, 2008 11:40 AM
			To: 'sv-bc'
			Subject: [sv-bc] Aggregate expressions
			
			
			1800-2005 states :
			Unpacked structure and array data objects, as
well as unpacked structure and array constructors, can all be used as
aggregate expressions. A multi-element slice of an unpacked array can
also be used as an aggregate expression. 
			Aggregate expressions can be copied in an
assignment, through a port, or as an argument to a task or function.
			Aggregate expressions can also be compared with
equality or inequality operators. To be copied or compared, the type of
an aggregate expression must be equivalent. See 6.9.2.
			
			IMHO there is more expression when aggregate
expression are sensible i.e: conditional operator (?:), function return
value. Maybe there are more?
			 
			Will 1800-2005 add some operators to this
description?
			 
			DANiel

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