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