public static bool IsValueTuple(ITypeSymbol type)
{
return(type.IsTupleType &&
type.Name.Equals(nameof(ValueTuple), StringComparison.Ordinal) &&
type.GenericTypeArguments().Length > 0 &&
"System".Equals(GetNamespace(type), StringComparison.Ordinal));
}
private static void GetServiceGenericEnding(ITypeSymbol serviceType, IList <string> result)
{
var args = serviceType.GenericTypeArguments();
for (var i = 0; i < args.Length; i++)
{
var type = args[i];
if (type is IArrayTypeSymbol array)
{
var(elementType, prefix) = ExpandArray(array);
type = elementType;
if (array.Rank > 1)
{
prefix += array.Rank.ToString(CultureInfo.InvariantCulture);
}
result.Add(prefix + GetDataContainerName(type));
}
else
{
result.Add(GetDataContainerName(type));
}
GetServiceGenericEnding(type, result);
}
}
public static bool IsTask(ITypeSymbol type)
{
if (type.GenericTypeArguments().Length > 1)
{
return(false);
}
return(("Task".Equals(type.Name, StringComparison.Ordinal) ||
"ValueTask".Equals(type.Name, StringComparison.Ordinal)) &&
"System.Threading.Tasks".Equals(GetNamespace(type), StringComparison.Ordinal));
}
public static bool IsNullable(ITypeSymbol type)
{
return(type.Name.Equals(nameof(Nullable), StringComparison.Ordinal) &&
type.GenericTypeArguments().Length == 1 &&
"System".Equals(GetNamespace(type), StringComparison.Ordinal));
}
public static bool IsAsyncEnumerable(ITypeSymbol type)
{
return(type.GenericTypeArguments().Length == 1 &&
"IAsyncEnumerable".Equals(type.Name, StringComparison.Ordinal) &&
"System.Collections.Generic".Equals(GetNamespace(type), StringComparison.Ordinal));
}
public static bool IsValueTask(this ITypeSymbol type)
{
return(type.GenericTypeArguments().Length < 2 &&
"ValueTask".Equals(type.Name, StringComparison.Ordinal) &&
"System.Threading.Tasks".Equals(GetNamespace(type), StringComparison.Ordinal));
}
public static bool IsVoid(ITypeSymbol type)
{
return(type.Name.Equals("Void", StringComparison.Ordinal) &&
type.GenericTypeArguments().Length == 0 &&
"System".Equals(GetNamespace(type), StringComparison.Ordinal));
}
