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| author | Robert Matusewicz <matekm@gmail.com> | 2016-11-17 09:37:43 +0000 |
|---|---|---|
| committer | Robert Matusewicz <matekm@gmail.com> | 2016-11-19 10:59:36 +0000 |
| commit | e08c2d4bdaf5e211a31303f271a4f11b2223ad7a (patch) | |
| tree | 0911c5e74efbadc568534e3da0dec46e66572979 | |
| parent | c48d0320f6bccc9da93b5aefb576f0ac2692c446 (diff) | |
| download | coreclr-e08c2d4bdaf5e211a31303f271a4f11b2223ad7a.tar.gz coreclr-e08c2d4bdaf5e211a31303f271a4f11b2223ad7a.tar.bz2 coreclr-e08c2d4bdaf5e211a31303f271a4f11b2223ad7a.zip | |
Add System.Collections.Generic.Dictionary constructor that accepts
IEnumerable<KeyValyePair<TKey, TValue>> to initialize dictionary
| -rw-r--r-- | src/mscorlib/model.xml | 2 | ||||
| -rw-r--r-- | src/mscorlib/ref/mscorlib.cs | 2 | ||||
| -rw-r--r-- | src/mscorlib/src/System/Collections/Generic/Dictionary.cs | 15 |
3 files changed, 19 insertions, 0 deletions
diff --git a/src/mscorlib/model.xml b/src/mscorlib/model.xml index 115d8959ee..7fa31fbd93 100644 --- a/src/mscorlib/model.xml +++ b/src/mscorlib/model.xml @@ -644,6 +644,8 @@ <Member Name="#ctor" /> <Member Name="#ctor(System.Collections.Generic.IDictionary<TKey,TValue>)" /> <Member Name="#ctor(System.Collections.Generic.IDictionary<TKey,TValue>,System.Collections.Generic.IEqualityComparer<TKey>)" /> + <Member Name="#ctor(System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<TKey,TValue>>)" /> + <Member Name="#ctor(System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<TKey,TValue>>,System.Collections.Generic.IEqualityComparer<TKey>)" /> <Member Name="#ctor(System.Collections.Generic.IEqualityComparer<TKey>)" /> <Member Name="#ctor(System.Int32)" /> <Member Name="#ctor(System.Int32,System.Collections.Generic.IEqualityComparer<TKey>)" /> diff --git a/src/mscorlib/ref/mscorlib.cs b/src/mscorlib/ref/mscorlib.cs index 18898b8dc5..da378777c9 100644 --- a/src/mscorlib/ref/mscorlib.cs +++ b/src/mscorlib/ref/mscorlib.cs @@ -4473,6 +4473,8 @@ namespace System.Collections.Generic public Dictionary() { } public Dictionary(System.Collections.Generic.IDictionary<TKey, TValue> dictionary) { } public Dictionary(System.Collections.Generic.IDictionary<TKey, TValue> dictionary, System.Collections.Generic.IEqualityComparer<TKey> comparer) { } + public Dictionary(System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<TKey, TValue>> collection) { } + public Dictionary(System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<TKey, TValue>> collection, System.Collections.Generic.IEqualityComparer<TKey> comparer) { } public Dictionary(System.Collections.Generic.IEqualityComparer<TKey> comparer) { } public Dictionary(int capacity) { } public Dictionary(int capacity, System.Collections.Generic.IEqualityComparer<TKey> comparer) { } diff --git a/src/mscorlib/src/System/Collections/Generic/Dictionary.cs b/src/mscorlib/src/System/Collections/Generic/Dictionary.cs index 25b9c384d4..2bbe7f9424 100644 --- a/src/mscorlib/src/System/Collections/Generic/Dictionary.cs +++ b/src/mscorlib/src/System/Collections/Generic/Dictionary.cs @@ -129,6 +129,21 @@ namespace System.Collections.Generic { } } + public Dictionary(IEnumerable<KeyValuePair<TKey, TValue>> collection): + this(collection, null) { } + + public Dictionary(IEnumerable<KeyValuePair<TKey, TValue>> collection, IEqualityComparer<TKey> comparer): + this((collection as ICollection<KeyValuePair<TKey, TValue>>)?.Count ?? 0, comparer) + { + if (collection == null) { + ThrowHelper.ThrowArgumentNullException(ExceptionArgument.collection); + } + + foreach (KeyValuePair<TKey, TValue> pair in collection) { + Add(pair.Key, pair.Value); + } + } + protected Dictionary(SerializationInfo info, StreamingContext context) { //We can't do anything with the keys and values until the entire graph has been deserialized //and we have a resonable estimate that GetHashCode is not going to fail. For the time being, |