31 Oct
2012
31 Oct
'12
1:51 p.m.
Is there a way nice way to do a lookup in PP ?
for example, I want to ensure that I have a 'a' then a 'b'.
But I don't wan't to consume 'b'
'a' asParser , 'b' asParser lookup
currently I implemented it with a double not :-)
'a' asParser , 'b' asParser not not
not very nice
nicolas
31 Oct
31 Oct
11:57 p.m.
I'm pretty sure this works:
$a asParser , $b and
and "Answer a new parser (logical and-predicate) that succeeds
whenever the receiver does, but never consumes input."
(strings work, too, but if you just have 1 character...)
-Chris
On Wed, Oct 31, 2012 at 5:51 AM, Nicolas Anquetil
<Nicolas.Anquetil(a)inria.fr> wrote:
Is there a way nice way to do a lookup in PP ?
for example, I want to ensure that I have a 'a' then a 'b'.
But I don't wan't to consume 'b'
'a' asParser , 'b' asParser lookup
currently I implemented it with a double not :-)
'a' asParser , 'b' asParser not not
not very nice
nicolas
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1 Nov
1 Nov
7:11 a.m.
Exactly.
Look at: PPParserTest>>testAnd
Cheers,
Doru
On 31 Oct 2012, at 23:57, Chris Cunningham <cunningham.cb(a)gmail.com> wrote:
I'm pretty sure this works:
$a asParser , $b and
and "Answer a new parser (logical and-predicate) that succeeds
whenever the receiver does, but never consumes input."
(strings work, too, but if you just have 1 character...)
-Chris
On Wed, Oct 31, 2012 at 5:51 AM, Nicolas Anquetil
<Nicolas.Anquetil(a)inria.fr> wrote:
--
www.tudorgirba.com
"We can create beautiful models in a vacuum.
But, to get them effective we have to deal with the inconvenience of reality."
Is there a way nice way to do a lookup in PP ?
for example, I want to ensure that I have a 'a' then a 'b'.
But I don't wan't to consume 'b'
'a' asParser , 'b' asParser lookup
currently I implemented it with a double not :-)
'a' asParser , 'b' asParser not not
not very nice
nicolas
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8:21 a.m.
great
thank you
nicolas
On 31/10/12 23:57, Chris Cunningham wrote:
I'm pretty sure this works:
$a asParser , $b and
and "Answer a new parser (logical and-predicate) that succeeds
whenever the receiver does, but never consumes input."
(strings work, too, but if you just have 1 character...)
-Chris
On Wed, Oct 31, 2012 at 5:51 AM, Nicolas Anquetil
<Nicolas.Anquetil(a)inria.fr> wrote:
Is there a way nice way to do a lookup in PP ?
for example, I want to ensure that I have a 'a' then a 'b'.
But I don't wan't to consume 'b'
'a' asParser , 'b' asParser lookup
currently I implemented it with a double not :-)
'a' asParser , 'b' asParser not not
not very nice
nicolas
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Moose-dev mailing list
Moose-dev(a)iam.unibe.ch
https://www.iam.unibe.ch/mailman/listinfo/moose-dev
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Moose-dev(a)iam.unibe.ch
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3 comments
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participants (3)
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Chris Cunningham -
Nicolas Anquetil -
Tudor Girba