ImmutableSortedDictionary<TKey,TValue>.Builder.GetValueOrDefault 方法
定义
重载
| GetValueOrDefault(TKey, TValue) |
如果字典中存在匹配的键,则获取给定键的值;否则获取默认值。Gets the value for a given key if a matching key exists in the dictionary; otherwise the default value. |
| GetValueOrDefault(TKey) |
如果字典中存在匹配的键,则获取给定键的值;否则获取默认值。Gets the value for a given key if a matching key exists in the dictionary; otherwise the default value. |
GetValueOrDefault(TKey, TValue)
如果字典中存在匹配的键,则获取给定键的值;否则获取默认值。Gets the value for a given key if a matching key exists in the dictionary; otherwise the default value.
public:
TValue GetValueOrDefault(TKey key, TValue defaultValue);
public TValue GetValueOrDefault (TKey key, TValue defaultValue);
member this.GetValueOrDefault : 'Key * 'Value -> 'Value
Public Function GetValueOrDefault (key As TKey, defaultValue As TValue) As TValue
参数
- key
- TKey
要搜索的键。The key to search for.
- defaultValue
- TValue
在字典中找不到匹配键时返回的默认值。The default value to return if no matching key is found in the dictionary.
返回
- TValue
该键的值;如果找不到匹配的键,则为 defaultValue。The value for the key, or defaultValue if no matching key was found.
适用于
GetValueOrDefault(TKey)
如果字典中存在匹配的键,则获取给定键的值;否则获取默认值。Gets the value for a given key if a matching key exists in the dictionary; otherwise the default value.
public:
TValue GetValueOrDefault(TKey key);
public TValue GetValueOrDefault (TKey key);
public TValue? GetValueOrDefault (TKey key);
member this.GetValueOrDefault : 'Key -> 'Value
Public Function GetValueOrDefault (key As TKey) As TValue
参数
- key
- TKey
要搜索的键。The key to search for.
返回
- TValue
该键的值;如果找不到匹配的键,则为 default(TValue)。The value for the key, or default(TValue) if no matching key was found.