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Trying out the mentioned example, I encountered this error in stack lts-3.15 GHC 7.10.2 using GHCi:
```
Expecting one more argument to ‘Grammar r (Prod r String String Expr)’
Expected a type,
but ‘…
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Earley paper is written on basis of "simple rewrite rules". They are similar to BNF. EBNF is bit more complex - contains repetitions, optional parts, alternatives. Wikipedia recommends to convert EBNF…
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### Descriptive summary
The current required markings for required metadata fields in the create new work metadata page in Sufia 7 are overly complicated. They have some usability issues and could be…
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Is the backtracking broken? I mean you would think that if a valid derivation was not initially found, the parser would backtrack until such a derivation was found. But that doesn't seem to be the cas…
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Hello Kevin,
Here are hundreds of words not recognised in US/CA.
Please notice that I have added many dozens of British cities+persons names.
I was in Wikipedia checking the British cities.
I have…
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Hi,
I'd like to label some data and train a model for British addresses. The following would need to be done:
- [ ] scrape some real UK addresses from the internet
- [ ] design a tag set. UK addresse…
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Trying to run crystal tool format on
``` crystal
require "./spec_helper"
describe Earley do
# TODO: Write tests
it "works" do
x = Earley::Grammar.new :S, {
S:…
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Trying to build a new blank `yesod-postgres` project on a fresh Ubuntu install, but it fails.
## Steps to reproduce
```
sudo apt-get update
sudo apt-get install -y build-essential curl
curl h…
jezen updated
7 years ago
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I'm writing a parser to parse either 0) a sequence of digits with no grouping characters, or 1) a sequence of digits with grouping characters like commas.
I'm getting some behavior I wouldn't expect,…
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Not sure how mature it is, but I've had success with https://hackage.haskell.org/package/Earley.