Single Pass Compiler
====================

```Example from <b>1 languages</b>: <a href="../concepts/pascal.html">Pascal</a>
(* Via &quot;forward&quot; keyword)
Program testforward;
Procedure First (n : longint); forward;
Procedure Second;
begin
  WriteLn (&#39;In second. Calling first...&#39;);
  First (1);
end;
Procedure First (n : longint);
begin
  WriteLn (&#39;First received : &#39;,n);
end;
begin
  Second;
end.
```

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Languages *with* Single Pass Compiler include <a href="../concepts/c.html">C</a>, <a href="../concepts/cobol.html">COBOL</a>, <a href="../concepts/pascal.html">Pascal</a>, <a href="../concepts/fortran.html">Fortran</a>, <a href="../concepts/ada.html">Ada</a>, <a href="../concepts/pl-i.html">PL/I</a>, <a href="../concepts/modula-2.html">Modula-2</a>

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Languages *without* Single Pass Compiler include <a href="../concepts/javascript.html">JavaScript</a>, <a href="../concepts/python.html">Python</a>, <a href="../concepts/java.html">Java</a>, <a href="../concepts/rust.html">Rust</a>, <a href="../concepts/haskell.html">Haskell</a>, <a href="../concepts/clojure.html">Clojure</a>

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View all concepts with or missing a *hasSinglePassParser* measurement
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Read more about Single Pass Compiler on the web: 1.
 https://en.wikipedia.org/wiki/One-pass_compiler 1.

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