On Mon, Dec 22, 2003 at 07:15:32AM -0800, Hal Daume III wrote:
> Let is part of an expression, whereas where is part of a declaration.
> Your first program should be rejected, since lists can only be made up of
> expressions. That is, the 'where' in example 1 *must* come after the
> entire expression [ 1, 2, ... ] so that it can be part of the declaration
> of f. OTOH, the let/in in example 2 is fine in situ, because it is
> part of an epxression, which is allowed for let/in constructs.
You can introduce declaration context in expressions using 'let',
for example:
f = [ 1,
2,
(let x = a+b
where a = 1
b = 2
in x
)
]
Of course it is quite pointless, because then you have both 'let' and
'where'.
Best regards,
Tom
--
.signature: Too many levels of symbolic links
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