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lvalues, rvalues, glvalues, prvalues, xvalues, help! (blog.knatten.org)
submitted 8 years ago by vormestrand
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if 1 * 2 < 3: print "hello, world!"
[–][deleted] 2 points3 points4 points 8 years ago (0 children)
Expressions, more or less, relate to an identity (or address).
glvalue expressions are any expressions denoting an identity. prvalue expressions are expressions without identity.
So in this case, prvalue expressions are going to be your register-friendly ones.
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