internal static TypeUsage GetCommonTypeUsage(IEnumerable <TypeUsage> types)
{
TypeUsage commonType = null;
foreach (var testType in types)
{
if (null == testType)
{
return(null);
}
if (null == commonType)
{
commonType = testType;
}
else
{
commonType = TypeSemantics.GetCommonType(commonType, testType);
if (null == commonType)
{
break;
}
}
}
return(commonType);
}
internal static TypeUsage GetCommonTypeUsage(IEnumerable <TypeUsage> types)
{
TypeUsage type1 = (TypeUsage)null;
foreach (TypeUsage type in types)
{
if (type == null)
{
return((TypeUsage)null);
}
if (type1 == null)
{
type1 = type;
}
else
{
type1 = TypeSemantics.GetCommonType(type1, type);
if (type1 == null)
{
break;
}
}
}
return(type1);
}
internal static TypeUsage GetCommonTypeUsage(TypeUsage typeUsage1, TypeUsage typeUsage2)
{
return(TypeSemantics.GetCommonType(typeUsage1, typeUsage2));
}