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Update class documentation

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Matthias Richter 2010-11-13 17:04:38 +01:00
parent 9965d40f80
commit cd8b7c1526
1 changed files with 18 additions and 13 deletions
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@ -596,8 +596,8 @@ print(a:dist(b)) -- prints 1.4142135623731</code></pre></td></tr>
<table class="functionlist">
<tr><td><a href="#class.lua-Class">Class(constructor)</a></td><td>define class</td></tr>
<tr><td><a href="#class.lua-Class2">Class{name = name, constructor}</a></td><td>define named class</td></tr>
<tr><td><a href="#class.lua-Interface">Interface(name)</a></td><td>define interface</td></tr>
<tr><td><a href="#class.lua-Inherit">Inherit(class, super, ...)</a></td><td>subclassing</td></tr>
<tr><td><a href="#class.lua-Construct">Class.construct(object, ...)</a></td><td>call parent classe's constructor</td></tr>
</table></p>
<p>For an example, <a href="#class.lua-Example">see below</a>. Also be sure to read the
<a href="#class.lua-Warning">warning</a> regarding metamethods.</p>
@ -642,15 +642,19 @@ print(Feline) -- prints 'Feline'</code></pre></td></tr>
</table>
</div>
<a name="class.lua-Interface"></a>
<div class="doc"><span class="functiondoc">function Interface(name)<a class="top" href="#class.lua">^ top</a></span>
Shortcut to <code>Class{name = name}</code>, i.e. a possibly named class without constructor.
</div>
<a name="class.lua-Inherit"></a>
<div class="doc"><span class="functiondoc">function Inherit(class, super, ...)<a class="top" href="#class.lua">^ top</a></span>
Add functions of <code>super</code> to <code>class</code>. Multiple interfaces can be defined.
<p><code>super</code>'s constructor can be accessed via super.construct(self). See example below.</p>
<p><code>super</code>'s constructor can be accessed via super.construct(self). See below.</p>
</div>
<div class="doc"><span class="functiondoc">function Class:Inherit(super, ...)<a class="top" href="#class.lua">^ top</a></span>
Syntatic sugar for <code>Inherit(Class, super, ...)</code>. Using a lowercase <code>Class:inherit(super, ...)</code> is also valid.
</div>
<a name="class.lua-Construct"></a>
<div class="doc"><span class="functiondoc">function Class.construct(object, ...)<a class="top" href="#class.lua">^ top</a></span>
Calls constructor for <code>Class</code> on <code>object</code>. This is done to initialize the
super-classe's context in a sub-class. See the example below.
</div>
<a name="class.lua-Example"></a>
@ -672,7 +676,7 @@ Cat = Class{name = "Cat", function(self, name, size, weight)
Feline.construct(self, size, weight)
self.name = name
end}
Inherit(Cat, Feline)
Cat:Inherit(Feline)
function Cat:stats()
return string.format("name: %s, %s", self.name, Feline.stats(self))
@ -682,16 +686,17 @@ end
Tiger = Class{name = "tiger", function(self, size, weight)
Feline.construct(self, size, weight)
end}
Inherit(Tiger, Feline)
Tiger:Inherit(Feline)
function Tiger:speak() print("ROAR!") end
felix = Cat("Felix", .8, 12)
hobbes = Tiger(2.2, 68)
print(felix:stats(), hobbes:stats())
felix:speak()
hobbes:speak()</code></pre>
print(felix:stats()) -- "name: Felix, size: 0.80, weight 12.00"
print(hobbes:stats()) -- "size: 2.20, weight 68.00"
felix:speak() -- "meow"
hobbes:speak() -- "ROAR!"</code></pre>
</div>
<a name="class.lua-Warning"></a>
@ -705,7 +710,7 @@ function A:__add(other) return A(self.x + other.x) end
function A:show() print("A:", self.x) end
B = Class(function(self, x, y) A.construct(self, x) self.y = y end)
Inherit(B, A)
B:Inherit(A)
function B:show() print("B:", self.x, self.y) end
function B:foo() print("foo") end