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<h1>Module <a href="type_BatLazyList.Exceptionless.html">BatLazyList.Exceptionless</a></h1>
<pre><span class="keyword">module</span> Exceptionless: <code class="code"><span class="keyword">sig</span></code> <a href="BatLazyList.Exceptionless.html">..</a> <code class="code"><span class="keyword">end</span></code></pre><div class="info module top">
Exceptionless counterparts for error-raising operations<br>
</div>
<hr width="100%">
<pre><span id="VALfind"><span class="keyword">val</span> find</span> : <code class="type">('a -> bool) -> 'a <a href="BatLazyList.html#TYPEt">BatLazyList.t</a> -> 'a option</code></pre><div class="info ">
<code class="code">rfind p l</code> returns <code class="code"><span class="constructor">Some</span> x</code> where <code class="code">x</code> is the first element of <code class="code">l</code> such
that <code class="code">p x</code> returns <code class="code"><span class="keyword">true</span></code> or <code class="code"><span class="constructor">None</span></code> if such element as not been found.<br>
</div>
<pre><span id="VALrfind"><span class="keyword">val</span> rfind</span> : <code class="type">('a -> bool) -> 'a <a href="BatLazyList.html#TYPEt">BatLazyList.t</a> -> 'a option</code></pre><div class="info ">
<code class="code">rfind p l</code> returns <code class="code"><span class="constructor">Some</span> x</code> where <code class="code">x</code> is the last element of <code class="code">l</code> such
that <code class="code">p x</code> returns <code class="code"><span class="keyword">true</span></code> or <code class="code"><span class="constructor">None</span></code> if such element as not been found.<br>
</div>
<pre><span id="VALfindi"><span class="keyword">val</span> findi</span> : <code class="type">(int -> 'a -> bool) -> 'a <a href="BatLazyList.html#TYPEt">BatLazyList.t</a> -> (int * 'a) option</code></pre><div class="info ">
<code class="code">findi p e l</code> returns <code class="code"><span class="constructor">Some</span> (i, ai)</code> where <code class="code">ai</code> and <code class="code">i</code> are respectively the
first element of <code class="code">l</code> and its index, such that <code class="code">p i ai</code> is true,
or <code class="code"><span class="constructor">None</span></code> if no such element has been found.<br>
</div>
<pre><span id="VALrfindi"><span class="keyword">val</span> rfindi</span> : <code class="type">(int -> 'a -> bool) -> 'a <a href="BatLazyList.html#TYPEt">BatLazyList.t</a> -> (int * 'a) option</code></pre><div class="info ">
<code class="code">findi p e l</code> returns <code class="code"><span class="constructor">Some</span> (i, ai)</code> where <code class="code">ai</code> and <code class="code">i</code> are respectively the
last element of <code class="code">l</code> and its index, such that <code class="code">p i ai</code> is true,
or <code class="code"><span class="constructor">None</span></code> if no such element has been found.<br>
</div>
<pre><span id="VALsplit_at"><span class="keyword">val</span> split_at</span> : <code class="type">int -><br> 'a <a href="BatLazyList.html#TYPEt">BatLazyList.t</a> -><br> [ `Invalid_index of int | `Ok of 'a <a href="BatLazyList.html#TYPEt">BatLazyList.t</a> * 'a <a href="BatLazyList.html#TYPEt">BatLazyList.t</a> ]</code></pre><div class="info ">
Whenever <code class="code">n</code> is inside of <code class="code">l</code> size bounds, <code class="code">split_at n l</code> returns
<code class="code"><span class="keywordsign">`</span><span class="constructor">Ok</span> (l1,l2)</code>, where <code class="code">l1</code> contains the first <code class="code">n</code> elements of <code class="code">l</code> and <code class="code">l2</code>
contains the others. Otherwise, returns <code class="code"><span class="keywordsign">`</span><span class="constructor">Invalid_index</span> n</code><br>
</div>
<pre><span id="VALat"><span class="keyword">val</span> at</span> : <code class="type">'a <a href="BatLazyList.html#TYPEt">BatLazyList.t</a> -> int -> [ `Invalid_index of int | `Ok of 'a ]</code></pre><div class="info ">
If <code class="code">n</code> is inside the bounds of <code class="code">l</code>, <code class="code">at l n</code> returns <code class="code"><span class="keywordsign">`</span><span class="constructor">Ok</span> x</code>, where
<code class="code">x</code> is the n-th element of the list <code class="code">l</code>. Otherwise, returns
<code class="code"><span class="keywordsign">`</span><span class="constructor">Invalid_index</span> n</code>.<br>
</div>
<pre><span id="VALassoc"><span class="keyword">val</span> assoc</span> : <code class="type">'a -> ('a * 'b) <a href="BatLazyList.html#TYPEt">BatLazyList.t</a> -> 'b option</code></pre><div class="info ">
<code class="code">assoc a l</code> returns <code class="code"><span class="constructor">Some</span> b</code> where <code class="code">b</code> is the value associated with key <code class="code">a</code>
in the list of pairs <code class="code">l</code>. That is, <code class="code">assoc a [ ...; (a,b); ...] = <span class="constructor">Some</span> b</code>
if <code class="code">(a,b)</code> is the leftmost binding of <code class="code">a</code> in list <code class="code">l</code>.
Return <code class="code"><span class="constructor">None</span></code> if there is no value associated with <code class="code">a</code> in the
list <code class="code">l</code>.<br>
</div>
<pre><span id="VALassq"><span class="keyword">val</span> assq</span> : <code class="type">'a -> ('a * 'b) <a href="BatLazyList.html#TYPEt">BatLazyList.t</a> -> 'b option</code></pre><div class="info ">
As <a href="BatLazyList.Exceptionless.html#VALassoc"><code class="code"><span class="constructor">BatLazyList</span>.<span class="constructor">Exceptionless</span>.assoc</code></a> but with physical equality<br>
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