public static Hashtable ToDictionary(IEnumerable <object> items, ScriptBlock keySelector, ScriptBlock valueSelector = null, bool force = false, bool?ignoreCase = null)
{
var keyFunction = CreateSelector(keySelector);
var valFunction = CreateSelector(valueSelector);
var comparer = default(IEqualityComparer);
if (ignoreCase.HasValue)
{
comparer = new Einstein.PowerShell.LINQ.PSObjectComparer(ignoreCase.Value);
}
var table = new Hashtable(comparer);
foreach (var item in items)
{
var key = keyFunction(item);
var val = valFunction(item);
if (force)
{
table[key] = val;
}
else
{
table.Add(key, val);
}
}
return(table);
}
public static bool SequenceEquals(IEnumerable <object> items, IEnumerable <object> other, bool?ignoreCase)
{
var comparer = default(IEqualityComparer <object>);
if (ignoreCase.HasValue)
{
comparer = new Einstein.PowerShell.LINQ.PSObjectComparer(ignoreCase.Value);
}
return(items.SequenceEqual(other, comparer));
}
public static ISet <object> ToSet(IEnumerable <object> items, ScriptBlock selector, bool?ignoreCase)
{
var selectorFunc = CreateSelector(selector);
var comparer = default(IEqualityComparer <object>);
if (ignoreCase.HasValue)
{
comparer = new Einstein.PowerShell.LINQ.PSObjectComparer(ignoreCase.Value);
}
return(new HashSet <object>(items.Select(selectorFunc), comparer));
}
public static bool SetEquals(IEnumerable <object> items, IEnumerable <object> other, bool?ignoreCase)
{
var comparer = default(IEqualityComparer <object>);
if (ignoreCase.HasValue)
{
comparer = new Einstein.PowerShell.LINQ.PSObjectComparer(ignoreCase.Value);
}
var hashSet = new HashSet <object>(items, comparer);
return(hashSet.SetEquals(other));
}
