Strange behaviour with a record in a guard

[Shawn Pearce]

Bengt Kleberg <eleberg@REDACTED> wrote:
> foo( #r{f1=F1} = R ) when F1 == undefined ->
> 	ok.

How is that better/different from:

	
foo( R = #r{f1=F1} ) when F1 == undefined ->
	ok.

as I'm currently using the latter form in my code
successfully.  Just wondering if I need to go back
and update it for any reason.

-- 
Shawn.

  Don't go surfing in South Dakota for a while.