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Alternative method of lazy evaluation #2

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Merged
merged 14 commits into from
Apr 25, 2012
Merged

Alternative method of lazy evaluation #2

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75795d6
removed force functions, using new method of lazy evaluation
Jun 3, 2011
04e1040
added a new method of lazy evaluation for recursive parsers. added un…
Jun 4, 2011
b64434e
added an error msg.
Jun 4, 2011
63f8024
refactoring
Jun 4, 2011
7573844
fixed spelling mistake
Jun 4, 2011
573e5ac
chose better names, m-lazy is now called lazy
Jun 4, 2011
02240cc
deleting newlines
Jun 4, 2011
9f7f57e
added tutorial on xml parsing
Jun 4, 2011
b1efc1e
refactoring
Jun 4, 2011
f26580a
improving docs
Jun 4, 2011
98ca6d8
added none-of and eol parsers like haskell
Jun 4, 2011
6d037f4
added csv example
Jun 4, 2011
21a5066
fixed compilation error around eol
Jun 4, 2011
79789dc
applicative programming
Jun 14, 2011
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added an error msg.
  • Loading branch information
Jason Jackson committed Jun 4, 2011
commit b64434e504a841a842c251967d336d174e8fec0e
5 changes: 4 additions & 1 deletion src/eu/dnetlib/clojure/clarsec.clj
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Expand Up @@ -208,7 +208,10 @@
`(lazy-invoke (delay @(force (delay (var ~p-fn))))))]
(cond
(seq? sexp) (apply lazy-p-fn-fn sexp)
(symbol? sexp) (lazy-p-fn sexp))))
(symbol? sexp) (lazy-p-fn sexp)
:else (throw (Exception. (str "Unsupported use of m-lazy. "
"Proper use: (m-lazy identifier) or "
"(my-lazy (m-lazy (symb \"foo\")"))))))

(defn parse [parser input]
((monad parser) input))
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1 change: 1 addition & 0 deletions src/test/clarsec.clj
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Expand Up @@ -49,3 +49,4 @@
(is (= (parse$ "{{{foo}}}") :fail))
(is (= (parse$ "{{{bar}}}") "bar"))))