private ImmutableArray <Symbol> GetMembersWorker(string name)
{
var originalMembers = OriginalDefinition.GetMembers(name);
if (originalMembers.IsDefaultOrEmpty)
{
return(originalMembers);
}
var builder = ArrayBuilder <Symbol> .GetInstance(originalMembers.Length);
foreach (var t in originalMembers)
{
builder.Add(t.SymbolAsMember(this));
}
var substitutedMembers = builder.ToImmutableAndFree();
// cache of size 8 seems reasonable here.
// considering that substituted methods have about 10 reference fields,
// reusing just one may make the cache profitable.
var cache = _lazyMembersByNameCache ??
(_lazyMembersByNameCache = new ConcurrentCache <string, ImmutableArray <Symbol> >(8));
cache.TryAdd(name, substitutedMembers);
return(substitutedMembers);
}
public sealed override ImmutableArray <Symbol> GetMembers()
{
var builder = ArrayBuilder <Symbol> .GetInstance();
if (_unbound)
{
// Preserve order of members.
foreach (var t in OriginalDefinition.GetMembers())
{
if (t.Kind == SymbolKind.NamedType)
{
builder.Add(((NamedTypeSymbol)t).AsMember(this));
}
}
}
else
{
foreach (var t in OriginalDefinition.GetMembers())
{
builder.Add(t.SymbolAsMember(this));
}
}
return(builder.ToImmutableAndFree());
}