mirror of
https://github.com/leafo/moonscript.git
synced 2024-11-22 02:44:23 +00:00
rebuilt reference manual
This commit is contained in:
leaf corcoran
parent
20548ecd70
commit
19211b356d
@ -304,7 +304,7 @@ arrow, or it can be a series of statements indented on the following lines:</p>
|
||||
<span class="l_keyword">end</span></code></pre></td></tr></tbody></table>
|
||||
|
||||
<p>If a function has no arguments, it can be called using the <code>!</code> operator,
|
||||
instead of empty parentheses. The <code>!</code> invocation is the prefered way to call
|
||||
instead of empty parentheses. The <code>!</code> invocation is the preferred way to call
|
||||
functions with no arguments.</p>
|
||||
|
||||
<table style="width: 100%;" cellspacing="0" cellpadding="1"><tbody><tr class="code-header"><td>moonscript</td><td>lua</td></tr><tr><td style="width: 50%" class="code-border"><pre><code class="moon-code"><span class="l_atom">func_a</span><span class="l_symbol">!</span>
|
||||
@ -384,7 +384,7 @@ automatically includes a <code>self</code> argument.</p>
|
||||
|
||||
<h3><a name="argument_defaults"></a>Argument Defaults</h3>
|
||||
|
||||
<p>It is possible to provide deafult values for the arguments of a function. An
|
||||
<p>It is possible to provide default values for the arguments of a function. An
|
||||
argument is determined to be empty if it’s value is <code>nil</code>. Any <code>nil</code> arguments
|
||||
that have a default value will be replace before the body of the function is run.</p>
|
||||
|
||||
@ -552,8 +552,10 @@ doubled.</p>
|
||||
<span class="l_symbol">}</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">doubled</span> <span class="l_symbol">=</span> (<span class="l_fn_symbol">function</span>()
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_accum_0</span> <span class="l_symbol">=</span> <span class="l_symbol">{</span> <span class="l_symbol">}</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_number">0</span>
|
||||
<span class="l_keyword">for</span> <span class="l_atom">i</span>, <span class="l_atom">item</span> <span class="l_atom">in</span> <span class="l_builtins">ipairs</span>(<span class="l_atom">items</span>) <span class="l_keyword">do</span>
|
||||
<span class="l_builtins">table.insert</span>(<span class="l_atom">_accum_0</span>, <span class="l_atom">item</span> * <span class="l_number">2</span>)
|
||||
<span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_atom">_len_0</span> + <span class="l_number">1</span>
|
||||
<span class="l_atom">_accum_0</span>[<span class="l_atom">_len_0</span>] <span class="l_symbol">=</span> <span class="l_atom">item</span> * <span class="l_number">2</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">return</span> <span class="l_atom">_accum_0</span>
|
||||
<span class="l_keyword">end</span>)()</code></pre></td></tr></tbody></table>
|
||||
@ -565,9 +567,11 @@ doubled.</p>
|
||||
</code></pre></td><td><pre><code class="lua-code"><span class="l_keyword">local</span> <span class="l_atom">iter</span> <span class="l_symbol">=</span> <span class="l_builtins">ipairs</span>(<span class="l_atom">items</span>)
|
||||
<span class="l_keyword">local</span> <span class="l_atom">slice</span> <span class="l_symbol">=</span> (<span class="l_fn_symbol">function</span>()
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_accum_0</span> <span class="l_symbol">=</span> <span class="l_symbol">{</span> <span class="l_symbol">}</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_number">0</span>
|
||||
<span class="l_keyword">for</span> <span class="l_atom">i</span>, <span class="l_atom">item</span> <span class="l_atom">in</span> <span class="l_atom">iter</span> <span class="l_keyword">do</span>
|
||||
<span class="l_keyword">if</span> <span class="l_atom">i</span> > <span class="l_number">1</span> <span class="l_keyword">and</span> <span class="l_atom">i</span> < <span class="l_number">3</span> <span class="l_keyword">then</span>
|
||||
<span class="l_builtins">table.insert</span>(<span class="l_atom">_accum_0</span>, <span class="l_atom">item</span>)
|
||||
<span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_atom">_len_0</span> + <span class="l_number">1</span>
|
||||
<span class="l_atom">_accum_0</span>[<span class="l_atom">_len_0</span>] <span class="l_symbol">=</span> <span class="l_atom">item</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">return</span> <span class="l_atom">_accum_0</span>
|
||||
@ -579,11 +583,13 @@ an <code>*</code> operator is introduced. The doubled example can be rewritten a
|
||||
<table style="width: 100%;" cellspacing="0" cellpadding="1"><tbody><tr class="code-header"><td>moonscript</td><td>lua</td></tr><tr><td style="width: 50%" class="code-border"><pre><code class="moon-code"><span class="l_atom">doubled</span> <span class="l_symbol">=</span> <span class="l_fn_symbol">[</span><span class="l_atom">item</span> <span class="l_symbol">*</span> <span class="l_number">2</span> <span class="l_keyword">for</span> <span class="l_atom">item</span> <span class="l_keyword">in</span> <span class="l_symbol">*</span><span class="l_atom">items</span><span class="l_fn_symbol">]</span>
|
||||
</code></pre></td><td><pre><code class="lua-code"><span class="l_keyword">local</span> <span class="l_atom">doubled</span> <span class="l_symbol">=</span> (<span class="l_fn_symbol">function</span>()
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_accum_0</span> <span class="l_symbol">=</span> <span class="l_symbol">{</span> <span class="l_symbol">}</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_number">0</span>
|
||||
<span class="l_keyword">do</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_item_0</span> <span class="l_symbol">=</span> <span class="l_atom">items</span>
|
||||
<span class="l_keyword">for</span> <span class="l_atom">_index_0</span> <span class="l_symbol">=</span> <span class="l_number">1</span>, #<span class="l_atom">_item_0</span> <span class="l_keyword">do</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">item</span> <span class="l_symbol">=</span> <span class="l_atom">_item_0</span>[<span class="l_atom">_index_0</span>]
|
||||
<span class="l_builtins">table.insert</span>(<span class="l_atom">_accum_0</span>, <span class="l_atom">item</span> * <span class="l_number">2</span>)
|
||||
<span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_atom">_len_0</span> + <span class="l_number">1</span>
|
||||
<span class="l_atom">_accum_0</span>[<span class="l_atom">_len_0</span>] <span class="l_symbol">=</span> <span class="l_atom">item</span> * <span class="l_number">2</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">return</span> <span class="l_atom">_accum_0</span>
|
||||
@ -611,6 +617,7 @@ requirement is that a comprehension has at least one <code>for</code> clause.</p
|
||||
<span class="l_symbol">}</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">points</span> <span class="l_symbol">=</span> (<span class="l_fn_symbol">function</span>()
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_accum_0</span> <span class="l_symbol">=</span> <span class="l_symbol">{</span> <span class="l_symbol">}</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_number">0</span>
|
||||
<span class="l_keyword">do</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_item_0</span> <span class="l_symbol">=</span> <span class="l_atom">x_coords</span>
|
||||
<span class="l_keyword">for</span> <span class="l_atom">_index_0</span> <span class="l_symbol">=</span> <span class="l_number">1</span>, #<span class="l_atom">_item_0</span> <span class="l_keyword">do</span>
|
||||
@ -619,10 +626,11 @@ requirement is that a comprehension has at least one <code>for</code> clause.</p
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_item_1</span> <span class="l_symbol">=</span> <span class="l_atom">y_coords</span>
|
||||
<span class="l_keyword">for</span> <span class="l_atom">_index_1</span> <span class="l_symbol">=</span> <span class="l_number">1</span>, #<span class="l_atom">_item_1</span> <span class="l_keyword">do</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">y</span> <span class="l_symbol">=</span> <span class="l_atom">_item_1</span>[<span class="l_atom">_index_1</span>]
|
||||
<span class="l_builtins">table.insert</span>(<span class="l_atom">_accum_0</span>, <span class="l_symbol">{</span>
|
||||
<span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_atom">_len_0</span> + <span class="l_number">1</span>
|
||||
<span class="l_atom">_accum_0</span>[<span class="l_atom">_len_0</span>] <span class="l_symbol">=</span> <span class="l_symbol">{</span>
|
||||
<span class="l_atom">x</span>,
|
||||
<span class="l_atom">y</span>
|
||||
<span class="l_symbol">}</span>)
|
||||
<span class="l_symbol">}</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">end</span>
|
||||
@ -642,12 +650,14 @@ between 1 and 5 inclusive:</p>
|
||||
<table style="width: 100%;" cellspacing="0" cellpadding="1"><tbody><tr class="code-header"><td>moonscript</td><td>lua</td></tr><tr><td style="width: 50%" class="code-border"><pre><code class="moon-code"><span class="l_atom">slice</span> <span class="l_symbol">=</span> <span class="l_fn_symbol">[</span><span class="l_atom">item</span> <span class="l_keyword">for</span> <span class="l_atom">item</span> <span class="l_keyword">in</span> <span class="l_symbol">*</span><span class="l_atom">items</span><span class="l_fn_symbol">[</span><span class="l_number">1</span><span class="l_bold_symbol">:</span><span class="l_number">5</span><span class="l_fn_symbol">]</span><span class="l_fn_symbol">]</span>
|
||||
</code></pre></td><td><pre><code class="lua-code"><span class="l_keyword">local</span> <span class="l_atom">slice</span> <span class="l_symbol">=</span> (<span class="l_fn_symbol">function</span>()
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_accum_0</span> <span class="l_symbol">=</span> <span class="l_symbol">{</span> <span class="l_symbol">}</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_number">0</span>
|
||||
<span class="l_keyword">do</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_max_0</span> <span class="l_symbol">=</span> <span class="l_number">5</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_item_0</span> <span class="l_symbol">=</span> <span class="l_atom">items</span>
|
||||
<span class="l_keyword">for</span> <span class="l_atom">_index_0</span> <span class="l_symbol">=</span> <span class="l_number">1</span>, <span class="l_atom">_max_0</span> < <span class="l_number">0</span> <span class="l_keyword">and</span> #<span class="l_atom">_item_0</span> + <span class="l_atom">_max_0</span> <span class="l_keyword">or</span> <span class="l_atom">_max_0</span> <span class="l_keyword">do</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">item</span> <span class="l_symbol">=</span> <span class="l_atom">_item_0</span>[<span class="l_atom">_index_0</span>]
|
||||
<span class="l_builtins">table.insert</span>(<span class="l_atom">_accum_0</span>, <span class="l_atom">item</span>)
|
||||
<span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_atom">_len_0</span> + <span class="l_number">1</span>
|
||||
<span class="l_atom">_accum_0</span>[<span class="l_atom">_len_0</span>] <span class="l_symbol">=</span> <span class="l_atom">item</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">return</span> <span class="l_atom">_accum_0</span>
|
||||
@ -657,14 +667,16 @@ between 1 and 5 inclusive:</p>
|
||||
example, if the max index is left off it defaults to the length of the table.
|
||||
This will take everything but the first element:</p>
|
||||
|
||||
<table style="width: 100%;" cellspacing="0" cellpadding="1"><tbody><tr class="code-header"><td>moonscript</td><td>lua</td></tr><tr><td style="width: 50%" class="code-border"><pre><code class="moon-code"><span class="l_atom">slice</span> <span class="l_symbol">=</span> <span class="l_fn_symbol">[</span><span class="l_atom">item</span> <span class="l_keyword">for</span> <span class="l_atom">item</span> <span class="l_keyword">in</span> <span class="l_symbol">*</span><span class="l_atom">items</span><span class="l_fn_symbol">[</span><span class="l_number">1</span><span class="l_bold_symbol">:</span><span class="l_fn_symbol">]</span><span class="l_fn_symbol">]</span>
|
||||
<table style="width: 100%;" cellspacing="0" cellpadding="1"><tbody><tr class="code-header"><td>moonscript</td><td>lua</td></tr><tr><td style="width: 50%" class="code-border"><pre><code class="moon-code"><span class="l_atom">slice</span> <span class="l_symbol">=</span> <span class="l_fn_symbol">[</span><span class="l_atom">item</span> <span class="l_keyword">for</span> <span class="l_atom">item</span> <span class="l_keyword">in</span> <span class="l_symbol">*</span><span class="l_atom">items</span><span class="l_fn_symbol">[</span><span class="l_number">2</span><span class="l_bold_symbol">:</span><span class="l_fn_symbol">]</span><span class="l_fn_symbol">]</span>
|
||||
</code></pre></td><td><pre><code class="lua-code"><span class="l_keyword">local</span> <span class="l_atom">slice</span> <span class="l_symbol">=</span> (<span class="l_fn_symbol">function</span>()
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_accum_0</span> <span class="l_symbol">=</span> <span class="l_symbol">{</span> <span class="l_symbol">}</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_number">0</span>
|
||||
<span class="l_keyword">do</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_item_0</span> <span class="l_symbol">=</span> <span class="l_atom">items</span>
|
||||
<span class="l_keyword">for</span> <span class="l_atom">_index_0</span> <span class="l_symbol">=</span> <span class="l_number">1</span>, #<span class="l_atom">_item_0</span> <span class="l_keyword">do</span>
|
||||
<span class="l_keyword">for</span> <span class="l_atom">_index_0</span> <span class="l_symbol">=</span> <span class="l_number">2</span>, #<span class="l_atom">_item_0</span> <span class="l_keyword">do</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">item</span> <span class="l_symbol">=</span> <span class="l_atom">_item_0</span>[<span class="l_atom">_index_0</span>]
|
||||
<span class="l_builtins">table.insert</span>(<span class="l_atom">_accum_0</span>, <span class="l_atom">item</span>)
|
||||
<span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_atom">_len_0</span> + <span class="l_number">1</span>
|
||||
<span class="l_atom">_accum_0</span>[<span class="l_atom">_len_0</span>] <span class="l_symbol">=</span> <span class="l_atom">item</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">return</span> <span class="l_atom">_accum_0</span>
|
||||
@ -677,11 +689,13 @@ size and leave the other bounds blank. This takes all odd indexed items: (1, 3,
|
||||
<table style="width: 100%;" cellspacing="0" cellpadding="1"><tbody><tr class="code-header"><td>moonscript</td><td>lua</td></tr><tr><td style="width: 50%" class="code-border"><pre><code class="moon-code"><span class="l_atom">slice</span> <span class="l_symbol">=</span> <span class="l_fn_symbol">[</span><span class="l_atom">item</span> <span class="l_keyword">for</span> <span class="l_atom">items</span> <span class="l_keyword">in</span> <span class="l_symbol">*</span><span class="l_atom">items</span><span class="l_fn_symbol">[</span><span class="l_bold_symbol">:</span><span class="l_bold_symbol">:</span><span class="l_number">2</span><span class="l_fn_symbol">]</span><span class="l_fn_symbol">]</span>
|
||||
</code></pre></td><td><pre><code class="lua-code"><span class="l_keyword">local</span> <span class="l_atom">slice</span> <span class="l_symbol">=</span> (<span class="l_fn_symbol">function</span>()
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_accum_0</span> <span class="l_symbol">=</span> <span class="l_symbol">{</span> <span class="l_symbol">}</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_number">0</span>
|
||||
<span class="l_keyword">do</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_item_0</span> <span class="l_symbol">=</span> <span class="l_atom">items</span>
|
||||
<span class="l_keyword">for</span> <span class="l_atom">_index_0</span> <span class="l_symbol">=</span> <span class="l_number">1</span>, #<span class="l_atom">_item_0</span>, <span class="l_number">2</span> <span class="l_keyword">do</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">items</span> <span class="l_symbol">=</span> <span class="l_atom">_item_0</span>[<span class="l_atom">_index_0</span>]
|
||||
<span class="l_builtins">table.insert</span>(<span class="l_atom">_accum_0</span>, <span class="l_atom">item</span>)
|
||||
<span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_atom">_len_0</span> + <span class="l_number">1</span>
|
||||
<span class="l_atom">_accum_0</span>[<span class="l_atom">_len_0</span>] <span class="l_symbol">=</span> <span class="l_atom">item</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">return</span> <span class="l_atom">_accum_0</span>
|
||||
@ -752,6 +766,7 @@ table if the value of that expression is not nil.</p>
|
||||
<span class="l_atom">i</span>
|
||||
</code></pre></td><td><pre><code class="lua-code"><span class="l_keyword">local</span> <span class="l_atom">doubled_evens</span> <span class="l_symbol">=</span> (<span class="l_fn_symbol">function</span>()
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_accum_0</span> <span class="l_symbol">=</span> <span class="l_symbol">{</span> <span class="l_symbol">}</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_number">0</span>
|
||||
<span class="l_keyword">for</span> <span class="l_atom">i</span> <span class="l_symbol">=</span> <span class="l_number">1</span>, <span class="l_number">20</span> <span class="l_keyword">do</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_value_0</span>
|
||||
<span class="l_keyword">if</span> <span class="l_atom">i</span> % <span class="l_number">2</span> <span class="l_symbol">=</span><span class="l_symbol">=</span> <span class="l_number">0</span> <span class="l_keyword">then</span>
|
||||
@ -760,7 +775,8 @@ table if the value of that expression is not nil.</p>
|
||||
<span class="l_atom">_value_0</span> <span class="l_symbol">=</span> <span class="l_atom">i</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">if</span> <span class="l_atom">_value_0</span> ~<span class="l_symbol">=</span> <span class="l_special">nil</span> <span class="l_keyword">then</span>
|
||||
<span class="l_builtins">table.insert</span>(<span class="l_atom">_accum_0</span>, <span class="l_atom">_value_0</span>)
|
||||
<span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_atom">_len_0</span> + <span class="l_number">1</span>
|
||||
<span class="l_atom">_accum_0</span>[<span class="l_atom">_len_0</span>] <span class="l_symbol">=</span> <span class="l_atom">_value_0</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">return</span> <span class="l_atom">_accum_0</span>
|
||||
@ -781,6 +797,7 @@ table if the value of that expression is not nil.</p>
|
||||
<span class="l_symbol">}</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">odds</span> <span class="l_symbol">=</span> (<span class="l_fn_symbol">function</span>()
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_accum_0</span> <span class="l_symbol">=</span> <span class="l_symbol">{</span> <span class="l_symbol">}</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_number">0</span>
|
||||
<span class="l_keyword">do</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_item_0</span> <span class="l_symbol">=</span> <span class="l_atom">my_numbers</span>
|
||||
<span class="l_keyword">for</span> <span class="l_atom">_index_0</span> <span class="l_symbol">=</span> <span class="l_number">1</span>, #<span class="l_atom">_item_0</span> <span class="l_keyword">do</span>
|
||||
@ -790,7 +807,8 @@ table if the value of that expression is not nil.</p>
|
||||
<span class="l_atom">_value_0</span> <span class="l_symbol">=</span> <span class="l_atom">x</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">if</span> <span class="l_atom">_value_0</span> ~<span class="l_symbol">=</span> <span class="l_special">nil</span> <span class="l_keyword">then</span>
|
||||
<span class="l_builtins">table.insert</span>(<span class="l_atom">_accum_0</span>, <span class="l_atom">_value_0</span>)
|
||||
<span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_atom">_len_0</span> + <span class="l_number">1</span>
|
||||
<span class="l_atom">_accum_0</span>[<span class="l_atom">_len_0</span>] <span class="l_symbol">=</span> <span class="l_atom">_value_0</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">end</span>
|
||||
@ -817,10 +835,12 @@ comprehension.</p>
|
||||
<span class="l_atom">func_b</span> <span class="l_symbol">=</span> <span class="l_fn_symbol">function</span>()
|
||||
<span class="l_keyword">return</span> (<span class="l_fn_symbol">function</span>()
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_accum_0</span> <span class="l_symbol">=</span> <span class="l_symbol">{</span> <span class="l_symbol">}</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_number">0</span>
|
||||
<span class="l_keyword">for</span> <span class="l_atom">i</span> <span class="l_symbol">=</span> <span class="l_number">1</span>, <span class="l_number">10</span> <span class="l_keyword">do</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_value_0</span> <span class="l_symbol">=</span> <span class="l_atom">i</span>
|
||||
<span class="l_keyword">if</span> <span class="l_atom">_value_0</span> ~<span class="l_symbol">=</span> <span class="l_special">nil</span> <span class="l_keyword">then</span>
|
||||
<span class="l_builtins">table.insert</span>(<span class="l_atom">_accum_0</span>, <span class="l_atom">_value_0</span>)
|
||||
<span class="l_atom">_len_0</span> <span class="l_symbol">=</span> <span class="l_atom">_len_0</span> + <span class="l_number">1</span>
|
||||
<span class="l_atom">_accum_0</span>[<span class="l_atom">_len_0</span>] <span class="l_symbol">=</span> <span class="l_atom">_value_0</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">return</span> <span class="l_atom">_accum_0</span>
|
||||
@ -852,7 +872,7 @@ need to return the results of the loop.</p>
|
||||
<span class="l_keyword">end</span></code></pre></td></tr></tbody></table>
|
||||
|
||||
<p>Like for loops, the while loop can also be used an expression. Additionally,
|
||||
for a function to return the accumlated value of a while loop, the statement
|
||||
for a function to return the accumulated value of a while loop, the statement
|
||||
must be explicitly returned.</p>
|
||||
|
||||
<h2><a name="conditionals"></a>Conditionals</h2>
|
||||
@ -1078,6 +1098,35 @@ instances, so modifications to it in one instance will show up in another:</p>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">end</span></code></pre></td></tr></tbody></table>
|
||||
|
||||
<p>The proper way to avoid this problem is to create the mutable state of the
|
||||
object in the constructor:</p>
|
||||
|
||||
<table style="width: 100%;" cellspacing="0" cellpadding="1"><tbody><tr class="code-header"><td>moonscript</td><td>lua</td></tr><tr><td style="width: 50%" class="code-border"><pre><code class="moon-code"><span class="l_keyword">class</span> <span class="l_proper">Person</span>
|
||||
<span class="l_table_key">new</span><span class="l_bold_symbol">:</span> <span class="l_fn_symbol">=></span>
|
||||
<span class="l_self_var">@clothes</span> <span class="l_symbol">=</span> <span class="l_fn_symbol">{</span><span class="l_fn_symbol">}</span>
|
||||
</code></pre></td><td><pre><code class="lua-code"><span class="l_keyword">local</span> <span class="l_atom">Person</span>
|
||||
<span class="l_atom">Person</span> <span class="l_symbol">=</span> (<span class="l_fn_symbol">function</span>(<span class="l_atom">_parent_0</span>)
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_base_0</span> <span class="l_symbol">=</span> <span class="l_symbol">{</span> <span class="l_symbol">}</span>
|
||||
<span class="l_atom">_base_0</span><span class="l_symbol">.</span><span class="l_atom">__index</span> <span class="l_symbol">=</span> <span class="l_atom">_base_0</span>
|
||||
<span class="l_keyword">if</span> <span class="l_atom">_parent_0</span> <span class="l_keyword">then</span>
|
||||
<span class="l_atom">setmetatable</span>(<span class="l_atom">_base_0</span>, <span class="l_atom">getmetatable</span>(<span class="l_atom">_parent_0</span>)<span class="l_symbol">.</span><span class="l_atom">__index</span>)
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_keyword">local</span> <span class="l_atom">_class_0</span> <span class="l_symbol">=</span> <span class="l_atom">setmetatable</span>(<span class="l_symbol">{</span>
|
||||
<span class="l_atom">__init</span> <span class="l_symbol">=</span> <span class="l_fn_symbol">function</span>(<span class="l_atom">self</span>)
|
||||
<span class="l_atom">self</span><span class="l_symbol">.</span><span class="l_atom">clothes</span> <span class="l_symbol">=</span> <span class="l_symbol">{</span> <span class="l_symbol">}</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_symbol">}</span>, <span class="l_symbol">{</span>
|
||||
<span class="l_atom">__index</span> <span class="l_symbol">=</span> <span class="l_atom">_base_0</span>,
|
||||
<span class="l_atom">__call</span> <span class="l_symbol">=</span> <span class="l_fn_symbol">function</span>(<span class="l_atom">mt</span>, <span class="l_symbol">.</span><span class="l_symbol">.</span><span class="l_symbol">.</span>)
|
||||
<span class="l_keyword">local</span> <span class="l_atom">self</span> <span class="l_symbol">=</span> <span class="l_atom">setmetatable</span>(<span class="l_symbol">{</span><span class="l_symbol">}</span>, <span class="l_atom">_base_0</span>)
|
||||
<span class="l_atom">mt</span><span class="l_symbol">.</span><span class="l_atom">__init</span>(<span class="l_atom">self</span>, <span class="l_symbol">.</span><span class="l_symbol">.</span><span class="l_symbol">.</span>)
|
||||
<span class="l_keyword">return</span> <span class="l_atom">self</span>
|
||||
<span class="l_keyword">end</span>
|
||||
<span class="l_symbol">}</span>)
|
||||
<span class="l_atom">_base_0</span><span class="l_symbol">.</span><span class="l_atom">__class</span> <span class="l_symbol">=</span> <span class="l_atom">_class_0</span>
|
||||
<span class="l_keyword">return</span> <span class="l_atom">_class_0</span>
|
||||
<span class="l_keyword">end</span>)()</code></pre></td></tr></tbody></table>
|
||||
|
||||
<h3><a name="inheritance"></a>Inheritance</h3>
|
||||
|
||||
<p>The <code>extends</code> keyword can be used in a class declaration to inherit the
|
||||
@ -1543,7 +1592,7 @@ THE SOFTWARE.</p>
|
||||
|
||||
</div>
|
||||
|
||||
<div class="footer">Generated on Sun Aug 14 16:19:23 2011; MoonScript v0.1.0</div>
|
||||
<div class="footer">Generated on Mon Aug 22 07:59:03 2011; MoonScript v0.2.0-dev</div>
|
||||
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user