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Slava Pestov 2005-08-03 23:09:44 +00:00
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<h1>Factor 0.77:</h1> <h1>Factor 0.77:</h1>
<ul> <ul>
<li>Compiler:
<ul>
<li>Optimizing out conditionals where the test value is a constant.</li>
<li>Optimizing out type checks that are always/never satisfied.</li>
<li>Inlining method bodies when generic words are called on values with known compile-time types.</li>
</ul>
</li>
<li>Sequences: <li>Sequences:
<ul> <ul>
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<li><code>join ( seq glue -- seq )</code> combinator. Takes a sequence of sequences, and constructs a new sequence with the glue in between each sequence. For example: <li><code>join ( seq glue -- seq )</code> combinator. Takes a sequence of sequences, and constructs a new sequence with the glue in between each sequence. For example:
<pre> [ "usr" "bin" "grep" ] "/" join <pre> [ "usr" "bin" "grep" ] "/" join
<b>"usr/bin/grep"</b></pre></li> <b>"usr/bin/grep"</b></pre></li>
<li><code>indq ( elt seq -- i )</code> and <code>indq* ( i elt seq -- i )</code> are like <code>index</code> and <code>index*</code>, except they compare elements for identity.</li>
<li>Integers now support the sequence protocol. An integer is an increasing sequence of its predecessors. This means the <code>count ( n -- [ 0 ... n-1 ] )</code> word is gone; just use <code>&gt;vector</code> instead. Also, <code>project</code> has been made redundant by <code>map</code>.</li> <li>Integers now support the sequence protocol. An integer is an increasing sequence of its predecessors. This means the <code>count ( n -- [ 0 ... n-1 ] )</code> word is gone; just use <code>&gt;vector</code> instead. Also, <code>project</code> has been made redundant by <code>map</code>.</li>
<li>The <code>seq-transpose ( seq -- seq )</code> word is now named <code>flip</code>.
</ul> </ul>
</li> </li>