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* @-patterns as in Haskell. For instance, in a function definition

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f = args @ {x, y, z}: ...;

  `args' refers to the argument as a whole, which is further
  pattern-matched against the attribute set pattern {x, y, z}.
This commit is contained in:
Eelco Dolstra 2008-08-14 12:53:29 +00:00
parent e818838412
commit 1b962fc720
10 changed files with 106 additions and 46 deletions
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12
tests/lang/eval-okay-xml.exp.xml
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@ -4,6 +4,18 @@
<attr name="a">
<string value="foo" />
</attr>
<attr name="at">
<function>
<at>
<varpat name="args" />
<attrspat>
<attr name="x" />
<attr name="y" />
<attr name="z" />
</attrspat>
</at>
</function>
</attr>
<attr name="b">
<string value="bar" />
</attr>