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<head><title>continue -- continue with the next iteration of a loop</title>
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<div><h1>continue -- continue with the next iteration of a loop</h1>
<div class="single"><h2>Synopsis</h2>
<ul><li><div class="list"><dl class="element"><dt class="heading">Usage: </dt><dd class="value"><div><tt>continue x</tt></div>
</dd></dl>
</div>
</li>
<li><div class="single">Inputs:<ul><li><span><tt>x</tt></span></li>
</ul>
</div>
</li>
<li><div class="single">Consequences:<ul><li>the currently executing <tt>list</tt>-clause of a <a href="_for.html" title="for loops">for</a>-loop or <a href="_while.html" title="while loops">while</a>-loop is finished, and iteration continues with the <a href="_do.html" title="loop control">do</a>-clause or the next iteration of the loop, if any. The value <tt>x</tt> is added to the list being accumulated. If <tt>x</tt> is omitted, then no value is added to the list, and the statement may be used in a <tt>do</tt>-clause.</li>
<li>Alternatively, as a deubgger command, causes execution to be resumed, starting with the current expression.</li>
</ul>
</div>
</li>
</ul>
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<div class="single"><h2>Description</h2>
<div><table class="examples"><tr><td><pre>i1 : for i from 1 to 4 list (continue 4; print ho) do print hi
hi
hi
hi
hi
o1 = {4, 4, 4, 4}
o1 : List</pre>
</td></tr>
<tr><td><pre>i2 : for i from 1 to 4 list (continue ; 14) do print hi
hi
hi
hi
hi
o2 = {}
o2 : List</pre>
</td></tr>
<tr><td><pre>i3 : for i from 1 to 4 list 14 do print hi
hi
hi
hi
hi
o3 = {14, 14, 14, 14}
o3 : List</pre>
</td></tr>
<tr><td><pre>i4 : i = 0 ; while i < 10 do ( i = i+1; if i == 5 then continue ; print i )
1
2
3
4
6
7
8
9
10</pre>
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<p>Here is an example of the use of <a href="_continue.html" title="continue with the next iteration of a loop">continue</a> in the debugger after altering a value so continuation will not cause the error to recur.</p>
<table class="examples"><tr><td><pre>i6 : load "Macaulay2Doc/demo1.m2"</pre>
</td></tr>
<tr><td><pre>i7 : code g
o7 = /builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo1.m2:11:7-14:8: --source code:
g = y -> (
c := f(y-1);
d := f(y-2);
c+d)</pre>
</td></tr>
<tr><td><pre>i8 : g 2
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo1.m2:8:12:(3):[2]: error: division by zero
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo1.m2:8:12:(3):[2]: --entering debugger (type help to see debugger commands)
/builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo1.m2:8:11-8:13: --source code:
b := 1/x;</pre>
</td></tr>
<tr><td><pre>ii9 : code f
oo9 = /builddir/build/BUILD/Macaulay2-1.3.1-r10737/Macaulay2/packages/Macaulay2Doc/demo1.m2:6:8-9:8: --source code:
f := x -> (
a := "hi there";
b := 1/x;
b+1)</pre>
</td></tr>
<tr><td><pre>ii10 : x
oo10 = 0</pre>
</td></tr>
<tr><td><pre>ii11 : x = 11
oo11 = 11</pre>
</td></tr>
<tr><td><pre>ii12 : continue
34
o12 = --
11
o12 : QQ</pre>
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<div class="waystouse"><h2>For the programmer</h2>
<p>The object <a href="_continue.html" title="continue with the next iteration of a loop">continue</a> is <span>a <a href="___Keyword.html">keyword</a></span>.</p>
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