//: Comparison primitives

:(before "End Primitive Recipe Declarations")
EQUAL,
:(before "End Primitive Recipe Numbers")
put(Recipe_ordinal, "equal", EQUAL);
:(before "End Primitive Recipe Checks")
case EQUAL: {
  if (SIZE(inst.ingredients) <= 1) {
    raise << maybe(get(Recipe, r).name) << "'equal' needs at least two ingredients to compare in '" << to_original_string(inst) << "'\n" << end();
    break;
  }
  const reagent& exemplar = inst.ingredients.at(0);
  for (int i = /*skip exemplar*/1;  i < SIZE(inst.ingredients);  ++i) {
    if (!types_match(inst.ingredients.at(i), exemplar) && !types_match(exemplar, inst.ingredients.at(i))) {
      raise << maybe(get(Recipe, r).name) << "'equal' expects ingredients to be all of the same type, but got '" << to_original_string(inst) << "'\n" << end();
      goto finish_checking_instruction;
    }
  }
  if (SIZE(inst.products) > 1) {
    raise << maybe(get(Recipe, r).name) << "'equal' yields exactly one product in '" << to_original_string(inst) << "'\n" << end();
    break;
  }
  if (!inst.products.empty() && !is_dummy(inst.products.at(0)) && !is_mu_boolean(inst.products.at(0))) {
    raise << maybe(get(Recipe, r).name) << "'equal' should yield a boolean, but got '" << inst.products.at(0).original_string << "'\n" << end();
    break;
  }
  break;
}
:(before "End Primitive Recipe Implementations")
case EQUAL: {
  vector<double>& exemplar = ingredients.at(0);
  bool result = true;
  for (int i = /*skip exemplar*/1;  i < SIZE(ingredients);pre { line-height: 125%; }
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html><head><title>Python: module ranger.container.history</title>
</head><body bgcolor="#f0f0f8">

<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="heading">
<tr bgcolor="#7799ee">
<td valign=bottom>&nbsp;<br>
<font color="#ffffff" face="helvetica, arial">&nbsp;<br><big><big><strong><a href="ranger.html"><font color="#ffffff">ranger</font></a>.<a href="ranger.container.html"><font color="#ffffff">container</font></a>.history</strong></big></big></font></td
><td align=right valign=bottom
><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="file:/home/hut/ranger/ranger/container/history.py">/home/hut/ranger/ranger/container/history.py</a></font></td></tr></table>
    <p><tt>#&nbsp;Copyright&nbsp;(C)&nbsp;2009,&nbsp;2010&nbsp;&nbsp;Roman&nbsp;Zimbelmann&nbsp;&lt;romanz@lavabit.com&gt;<br>
#<br>
#&nbsp;This&nbsp;program&nbsp;is&nbsp;free&nbsp;software:&nbsp;you&nbsp;can&nbsp;redistribute&nbsp;it&nbsp;and/or&nbsp;modify<br>
#&nbsp;it&nbsp;under&nbsp;the&nbsp;terms&nbsp;of&nbsp;the&nbsp;GNU&nbsp;General&nbsp;Public&nbsp;License&nbsp;as&nbsp;published&nbsp;by<br>
#&nbsp;the&nbsp;Free&nbsp;Software&nbsp;Foundation,&nbsp;either&nbsp;version&nbsp;3&nbsp;of&nbsp;the&nbsp;License,&nbsp;or<br>
#&nbsp;(at&nbsp;your&nbsp;option)&nbsp;any&nbsp;later&nbsp;version.<br>
#<br>
#&nbsp;This&nbsp;program&nbsp;is&nbsp;distributed&nbsp;in&nbsp;the&nbsp;hope&nbsp;that&nbsp;it&nbsp;will&nbsp;be&nbsp;useful,<br>
#&nbsp;but&nbsp;WITHOUT&nbsp;ANY&nbsp;WARRANTY;&nbsp;without&nbsp;even&nbsp;the&nbsp;implied&nbsp;warranty&nbsp;of<br>
#&nbsp;MERCHANTABILITY&nbsp;or&nbsp;FITNESS&nbsp;FOR&nbsp;A&nbsp;PARTICULAR&nbsp;PURPOSE.&nbsp;&nbsp;See&nbsp;the<br>
#&nbsp;GNU&nbsp;General&nbsp;Public&nbsp;License&nbsp;for&nbsp;more&nbsp;details.<br>
#<br>
#&nbsp;You&nbsp;should&nbsp;have&nbsp;received&nbsp;a&nbsp;copy&nbsp;of&nbsp;the&nbsp;GNU&nbsp;General&nbsp;Public&nbsp;License<br>
#&nbsp;along&nbsp;with&nbsp;this&nbsp;program.&nbsp;&nbsp;If&nbsp;not,&nbsp;see&nbsp;&lt;<a href="http://www.gnu.org/licenses/">http://www.gnu.org/licenses/</a>&gt;.</tt></p>
<p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ee77aa">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr>
    
<tr><td bgcolor="#ee77aa"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%"><dl>
<dt><font face="helvetica, arial"><a href="__builtin__.html#object">__builtin__.object</a>
</font></dt><dd>
<dl>
<dt><font face="helvetica, arial"><a href="ranger.container.history.html#History">History</a>
</font></dt></dl>
</dd>
<dt><font face="helvetica, arial"><a href="exceptions.html#Exception">exceptions.Exception</a>(<a href="exceptions.html#BaseException">exceptions.BaseException</a>)
</font></dt><dd>
<dl>
<dt><font face="helvetica, arial"><a href="ranger.container.history.html#HistoryEmptyException">HistoryEmptyException</a>
</font></dt></dl>
</dd>
</dl>
 <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#000000" face="helvetica, arial"><a name="History">class <strong>History</strong></a>(<a href="__builtin__.html#object">__builtin__.object</a>)</font></td></tr>
    
<tr><td bgcolor="#ffc8d8"><tt>&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="History-__init__"><strong>__init__</strong></a>(self, maxlen<font color="#909090">=None</font>)</dt></dl>

<dl><dt><a name="History-__iter__"><strong>__iter__</strong></a>(self)</dt></dl>

<dl><dt><a name="History-__len__"><strong>__len__</strong></a>(self)</dt></dl>

<dl><dt><a name="History-add"><strong>add</strong></a>(self, item)</dt></dl>

<dl><dt><a name="History-back"><strong>back</strong></a>(self)</dt></dl>

<dl><dt><a name="History-bottom"><strong>bottom</strong></a>(self)</dt></dl>

<dl><dt><a name="History-current"><strong>current</strong></a>(self)</dt></dl>

<dl><dt><a name="History-fast_forward"><strong>fast_forward</strong></a>(self)</dt></dl>

<dl><dt><a name="History-forward"><strong>forward</strong></a>(self)</dt></dl>

<dl><dt><a name="History-modify"><strong>modify</strong></a>(self, item)</dt></dl>

<dl><dt><a name="History-move"><strong>move</strong></a>(self, n)</dt></dl>

<dl><dt><a name="History-next"><strong>next</strong></a>(self)</dt></dl>

<dl><dt><a name="History-top"><strong>top</strong></a>(self)</dt></dl>

<hr>
Data descriptors defined here:<br>
<dl><dt><strong>__dict__</strong></dt>
<dd><tt>dictionary&nbsp;for&nbsp;instance&nbsp;variables&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<dl><dt><strong>__weakref__</strong></dt>
<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#000000" face="helvetica, arial"><a name="HistoryEmptyException">class <strong>HistoryEmptyException</strong></a>(<a href="exceptions.html#Exception">exceptions.Exception</a>)</font></td></tr>
    
<tr><td bgcolor="#ffc8d8"><tt>&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%"><dl><dt>Method resolution order:</dt>
<dd><a href="ranger.container.history.html#HistoryEmptyException">HistoryEmptyException</a></dd>
<dd><a href="exceptions.html#Exception">exceptions.Exception</a></dd>
<dd><a href="exceptions.html#BaseException">exceptions.BaseException</a></dd>
<dd><a href="__builtin__.html#object">__builtin__.object</a></dd>
</dl>
<hr>
Data descriptors defined here:<br>
<dl><dt><strong>__weakref__</strong></dt>
<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<hr>
Methods inherited from <a href="exceptions.html#Exception">exceptions.Exception</a>:<br>
<dl><dt><a name="HistoryEmptyException-__init__"><strong>__init__</strong></a>(...)</dt><dd><tt>x.<a href="#HistoryEmptyException-__init__">__init__</a>(...)&nbsp;initializes&nbsp;x;&nbsp;see&nbsp;x.__class__.__doc__&nbsp;for&nbsp;signature</tt></dd></dl>

<hr>
Data and other attributes inherited from <a href="exceptions.html#Exception">exceptions.Exception</a>:<br>
<dl><dt><strong>__new__</strong> = &lt;built-in method __new__ of type object&gt;<dd><tt>T.<a href="#HistoryEmptyException-__new__">__new__</a>(S,&nbsp;...)&nbsp;-&gt;&nbsp;a&nbsp;new&nbsp;<a href="__builtin__.html#object">object</a>&nbsp;with&nbsp;type&nbsp;S,&nbsp;a&nbsp;subtype&nbsp;of&nbsp;T</tt></dl>

<hr>
Methods inherited from <a href="exceptions.html#BaseException">exceptions.BaseException</a>:<br>
<dl><dt><a name="HistoryEmptyException-__delattr__"><strong>__delattr__</strong></a>(...)</dt><dd><tt>x.<a href="#HistoryEmptyException-__delattr__">__delattr__</a>('name')&nbsp;&lt;==&gt;&nbsp;del&nbsp;x.name</tt></dd></dl>

<dl><dt><a name="HistoryEmptyException-__getattribute__"><strong>__getattribute__</strong></a>(...)</dt><dd><tt>x.<a href="#HistoryEmptyException-__getattribute__">__getattribute__</a>('name')&nbsp;&lt;==&gt;&nbsp;x.name</tt></dd></dl>

<dl><dt><a name="HistoryEmptyException-__getitem__"><strong>__getitem__</strong></a>(...)</dt><dd><tt>x.<a href="#HistoryEmptyException-__getitem__">__getitem__</a>(y)&nbsp;&lt;==&gt;&nbsp;x[y]</tt></dd></dl>

<dl><dt><a name="HistoryEmptyException-__getslice__"><strong>__getslice__</strong></a>(...)</dt><dd><tt>x.<a href="#HistoryEmptyException-__getslice__">__getslice__</a>(i,&nbsp;j)&nbsp;&lt;==&gt;&nbsp;x[i:j]<br>
&nbsp;<br>
Use&nbsp;of&nbsp;negative&nbsp;indices&nbsp;is&nbsp;not&nbsp;supported.</tt></dd></dl>

<dl><dt><a name="HistoryEmptyException-__reduce__"><strong>__reduce__</strong></a>(...)</dt></dl>

<dl><dt><a name="HistoryEmptyException-__repr__"><strong>__repr__</strong></a>(...)</dt><dd><tt>x.<a href="#HistoryEmptyException-__repr__">__repr__</a>()&nbsp;&lt;==&gt;&nbsp;repr(x)</tt></dd></dl>

<dl><dt><a name="HistoryEmptyException-__setattr__"><strong>__setattr__</strong></a>(...)</dt><dd><tt>x.<a href="#HistoryEmptyException-__setattr__">__setattr__</a>('name',&nbsp;value)&nbsp;&lt;==&gt;&nbsp;x.name&nbsp;=&nbsp;value</tt></dd></dl>

<dl><dt><a name="HistoryEmptyException-__setstate__"><strong>__setstate__</strong></a>(...)</dt></dl>

<dl><dt><a name="HistoryEmptyException-__str__"><strong>__str__</strong></a>(...)</dt><dd><tt>x.<a href="#HistoryEmptyException-__str__">__str__</a>()&nbsp;&lt;==&gt;&nbsp;str(x)</tt></dd></dl>

<dl><dt><a name="HistoryEmptyException-__unicode__"><strong>__unicode__</strong></a>(...)</dt></dl>

<hr>
Data descriptors inherited from <a href="exceptions.html#BaseException">exceptions.BaseException</a>:<br>
<dl><dt><strong>__dict__</strong></dt>
</dl>
<dl><dt><strong>args</strong></dt>
</dl>
<dl><dt><strong>message</strong></dt>
</dl>
</td></tr></table></td></tr></table>
</body></html>