X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=docs%2Fusers_guide%2Fghci.xml;h=9fa5d875b0326c6a7f29ebee337aec01452435d3;hb=c24bd1bbbdc4e20ea5c31b8779a70a5421f44962;hp=69fcc360e6cdbd399ff3b9528fe57f3564cc8dec;hpb=4899a56bd4455b9b1b285f1573f0a2376bc4f043;p=ghc-hetmet.git

diff --git a/docs/users_guide/ghci.xml b/docs/users_guide/ghci.xml
index 69fcc36..9fa5d87 100644
--- a/docs/users_guide/ghci.xml
+++ b/docs/users_guide/ghci.xml
@@ -611,7 +611,7 @@ Prelude IO>
       </sect3>
 
       <sect3>
-        <title>The <literal>:main</literal> command</title>
+        <title>The <literal>:main</literal> and <literal>:run</literal> commands</title>
 
         <para>
           When a program is compiled and executed, it can use the
@@ -636,6 +636,37 @@ Prelude> :main foo bar
 ["foo","bar"]
 </screen>
 
+        <para>
+            We can also quote arguments which contains characters like
+            spaces, and they are treated like Haskell strings, or we can
+            just use Haskell list syntax:
+        </para>
+
+<screen>
+Prelude> :main foo "bar baz"
+["foo","bar baz"]
+Prelude> :main ["foo", "bar baz"]
+["foo","bar baz"]
+</screen>
+
+        <para>
+            Finally, other functions can be called, either with the
+            <literal>-main-is</literal> flag or the <literal>:run</literal>
+            command:
+        </para>
+
+<screen>
+Prelude> let foo = putStrLn "foo" >> System.Environment.getArgs >>= print
+Prelude> let bar = putStrLn "bar" >> System.Environment.getArgs >>= print
+Prelude> :set -main-is foo
+Prelude> :main foo "bar baz"
+foo
+["foo","bar baz"]
+Prelude> :run bar ["foo", "bar baz"]
+bar
+["foo","bar baz"]
+</screen>
+
       </sect3>
     </sect2>
   
@@ -1437,7 +1468,7 @@ as = 'b' : 'c' : (_t1::[Char])
 <programlisting>
 import Prelude hiding (map)
 
-map :: (a->b) -> a -> b
+map :: (a->b) -> [a] -> [b]
 map f [] = []
 map f (x:xs) = f x : map f xs
 </programlisting>
@@ -1991,6 +2022,17 @@ Prelude> :. cmds.ghci
       </varlistentry>
 
       <varlistentry>
+       <term>
+          <literal>:</literal>
+          <indexterm><primary><literal>:</literal></primary></indexterm>
+        </term>
+       <listitem>
+         <para>Repeat the previous command.</para>
+       </listitem>
+      </varlistentry>
+
+      <varlistentry>
+
 	<term>
           <literal>:history [<replaceable>num</replaceable>]</literal>
           <indexterm><primary><literal>:history</literal></primary></indexterm>
@@ -2108,6 +2150,37 @@ Prelude> :main foo bar
 ["foo","bar"]
 </screen>
 
+        <para>
+            We can also quote arguments which contains characters like
+            spaces, and they are treated like Haskell strings, or we can
+            just use Haskell list syntax:
+        </para>
+
+<screen>
+Prelude> :main foo "bar baz"
+["foo","bar baz"]
+Prelude> :main ["foo", "bar baz"]
+["foo","bar baz"]
+</screen>
+
+        <para>
+            Finally, other functions can be called, either with the
+            <literal>-main-is</literal> flag or the <literal>:run</literal>
+            command:
+        </para>
+
+<screen>
+Prelude> let foo = putStrLn "foo" >> System.Environment.getArgs >>= print
+Prelude> let bar = putStrLn "bar" >> System.Environment.getArgs >>= print
+Prelude> :set -main-is foo
+Prelude> :main foo "bar baz"
+foo
+["foo","bar baz"]
+Prelude> :run bar ["foo", "bar baz"]
+bar
+["foo","bar baz"]
+</screen>
+
         </listitem>
       </varlistentry>