diff options
Diffstat (limited to 'src/System.Private.CoreLib/src/System/Collections/ObjectModel/ReadOnlyDictionary.cs')
| -rw-r--r-- | src/System.Private.CoreLib/src/System/Collections/ObjectModel/ReadOnlyDictionary.cs | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/src/System.Private.CoreLib/src/System/Collections/ObjectModel/ReadOnlyDictionary.cs b/src/System.Private.CoreLib/src/System/Collections/ObjectModel/ReadOnlyDictionary.cs index 29446b29c5..998fa64875 100644 --- a/src/System.Private.CoreLib/src/System/Collections/ObjectModel/ReadOnlyDictionary.cs +++ b/src/System.Private.CoreLib/src/System/Collections/ObjectModel/ReadOnlyDictionary.cs @@ -212,8 +212,7 @@ namespace System.Collections.ObjectModel IDictionaryEnumerator IDictionary.GetEnumerator() { - IDictionary d = m_dictionary as IDictionary; - if (d != null) + if (m_dictionary is IDictionary d) { return d.GetEnumerator(); } @@ -294,15 +293,13 @@ namespace System.Collections.ObjectModel ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall); } - KeyValuePair<TKey, TValue>[] pairs = array as KeyValuePair<TKey, TValue>[]; - if (pairs != null) + if (array is KeyValuePair<TKey, TValue>[] pairs) { m_dictionary.CopyTo(pairs, index); } else { - DictionaryEntry[] dictEntryArray = array as DictionaryEntry[]; - if (dictEntryArray != null) + if (array is DictionaryEntry[] dictEntryArray) { foreach (var item in m_dictionary) { @@ -343,8 +340,7 @@ namespace System.Collections.ObjectModel { if (m_syncRoot == null) { - ICollection c = m_dictionary as ICollection; - if (c != null) + if (m_dictionary is ICollection c) { m_syncRoot = c.SyncRoot; } @@ -513,8 +509,7 @@ namespace System.Collections.ObjectModel { if (m_syncRoot == null) { - ICollection c = m_collection as ICollection; - if (c != null) + if (m_collection is ICollection c) { m_syncRoot = c.SyncRoot; } @@ -622,8 +617,7 @@ namespace System.Collections.ObjectModel { if (m_syncRoot == null) { - ICollection c = m_collection as ICollection; - if (c != null) + if (m_collection is ICollection c) { m_syncRoot = c.SyncRoot; } @@ -674,15 +668,13 @@ namespace System.Collections.ObjectModel } // Easy out if the ICollection<T> implements the non-generic ICollection - ICollection nonGenericCollection = collection as ICollection; - if (nonGenericCollection != null) + if (collection is ICollection nonGenericCollection) { nonGenericCollection.CopyTo(array, index); return; } - T[] items = array as T[]; - if (items != null) + if (array is T[] items) { collection.CopyTo(items, index); } |