元方法中查看是否传入 “key2” 键的参数(mytable.key2已设置),如果传入 “key2” 参数返回 “metatablevalue”,否则返回 mytable 对应的键值。 我们可以将以上代码简单写成: mytable = setmetatable({key1 = "value1"}, { __index = { key2 = "metatablevalue" } }) print(mytable.key1,mytable.ke...
Map.remove : 'Key -> Map<'Key,'T> -> Map<'Key,'T> (requires comparison) // Usage: Map.remove key table Parameters key Type: 'Key The input key. table Type:Map<'Key,'T> The input map. Return Value The resulting map. Remarks This function is namedRemovein compiled assemblies. If...
keywords($args) 函数可以说是一个动态创建 map 的函数。可以通过混合宏或函数的参数变创建 map。参数也是成对出现,其中 $args 变成 key(会自动去掉$符号),而 $args 对应的值就是value。 @mixin map($args...){@debug keywords($args);}@include map( $dribble: #ea4c89, $facebook: #3b5998, $gith...
Call this method to remove an element from the CRBMap object, given the key. Syntax Copy bool RemoveKey( KINARGTYPE key ) throw( ); Parameters key The key corresponding to the element pair you want to remove. Return Value Returns true if the key is found and removed, false on ...
CTypedPtrMap::RemoveKey Article 12/01/2015 In this article Syntax Parameters Return Value Remarks Show 2 more This member function callsBASE_CLASS**::RemoveKey**. Syntax BOOL RemoveKey( KEY key ); Parameters KEY Template parameter specifying the type of the map's keys. ...
CMap::RemoveKey Article 12/01/2015 In this article Syntax Parameters Return Value Remarks Show 3 more Looks up the map entry corresponding to the supplied key; then, if the key is found, removes the entry. Syntax BOOL RemoveKey( ARG_KEY key ); ...
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Reading the keys of a map to obtain a sorted slice of keys is a use case that I have encountered several times. Without the slices and maps package, I would have written With the slices and maps packages, you can write This would be a good improvement, using only the standard library,...
Map.Add<'Key,'Value> Method Map.ContainsKey<'Key,'Value> Method Map.Count<'Key,'Value> Property Map.IsEmpty<'Key,'Value> Property Map.Item<'Key,'Value> Property Map.Remove<'Key,'Value> Method Map.TryFind<'Key,'Value> Method Collections.Map Module Collections.ResizeArray<'T> Type Abbre...
InputMap.remove(KeyStroke key) has the following syntax. publicvoidremove(KeyStroke key) Example In the following code shows how to use InputMap.remove(KeyStroke key) method. importjavax.swing.InputMap;importjavax.swing.JButton;importjavax.swing.JComponent;importjavax.swing.KeyStroke;/*fromwww.java...