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Return, behaviour of

• To: mathgroup at smc.vnet.net
• Subject: [mg65497] Return, behaviour of
• From: dh <dh at metrohm.ch>
• Date: Wed, 5 Apr 2006 06:55:40 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

$Version: 5.1 for Microsoft Windows (October 25, 2004)

Hello All,
can anybody explain the behaviour of "Return" in the following examples:

Remove[f];
f[x_] := Return[b]; f[a]
f[x_] = Return[b]; f[a]
f := (Return[b]) & ; f[a]
f = (Return[b]) & ; f[a]
f := Function[Return[b]]; f[a]
f = Function[Return[b]]; f[a]

Only the first one returns the expect "b". All the others evaluate to 
"Return[b]"

Thank's  for your comment,
Daniel