/// <inheritdoc />
public override bool TryGetValue(TKey key, out TValue value)
{
IDictionaryContracts.TryGetValue(key);
if (!this.Dictionary.TryGetValue(key, out value))
{
value = this.producer(key);
this.Dictionary[key] = value;
}
return(true);
}
/// <inheritdoc />
public bool TryGetValue(TIndex key, out TValue value)
{
IDictionaryContracts.TryGetValue(key);
IReadOnlyIndexableContracts.TryGetValue(this, key);
TryValue <TValue> result;
if (this.indexable.TryGetValue(key, out result))
{
if (result.HasValue)
{
value = result.Value;
return(true);
}
}
// either the try get failed or the result had no value. Failure either way
value = default(TValue);
return(false);
}
/// <inheritdoc />
bool IDictionary <TIndex, TValue> .TryGetValue(TIndex index, out TValue value)
{
IDictionaryContracts.TryGetValue(index);
return(this.dictionary.TryGetValue(index, out value));
}
/// <inheritdoc />
public bool TryGetValue(Type key, out TBase value)
{
IDictionaryContracts.TryGetValue(key);
return(this.values.TryGetValue(key, out value));
}
/// <inheritdoc />
public virtual bool TryGetValue(TKey key, out TValue value)
{
IDictionaryContracts.TryGetValue(key);
return(this.Dictionary.TryGetValue(key, out value));
}