A set of very conservative extension methods — most of those closely follow common naming and implementation patterns in the .NET framework. You can get it from NuGet as AshMind.Extensions.

Below is an auto-generated list of the methods provided:

Array

1. IndexOf
2. LastIndexOf
3. Reverse
4. Sort

Assembly

1. GetAssemblyFile
2. GetAssemblyFileFromCodeBase

Char

Collection

1. AddRange
2. RemoveAll
3. RemoveWhere

CustomAttributeProvider

1. GetCustomAttribute
2. GetCustomAttributes
3. IsDefined

DateTime

1. TruncateToHours
2. TruncateToMilliseconds
3. TruncateToMinutes
4. TruncateToSeconds

Delegate

1. AsComparison
2. AsFunc
3. AsPredicate
4. ToComparer

Dictionary

1. AsReadOnlyDictionary
2. GetOrAdd
3. GetValueOrDefault

Double

Enumerable

1. Any
2. AsCollection
3. AsList
4. AsReadOnlyCollection
5. AsReadOnlyList
6. Concat
7. EmptyIfNull
8. Except
9. GroupAdjacentBy
10. HavingMax
11. HavingMin

Formattable

1. ToInvariantString
2. ToString

List

1. EnumerateRange
2. InsertRange
3. RemoveRange

MethodInfo

1. CreateDelegate

StringBuilder

String

1. Contains
2. NullIfEmpty
3. RemoveEnd
4. RemoveStart
5. Split
6. SubstringAfter
7. SubstringAfterLast
8. SubstringBefore
9. SubstringBeforeLast
10. TruncateEnd

Type

1. HasInterface
2. IsAssignableFrom
3. IsAssignableTo
4. IsGenericTypeDefinedAs
5. IsSameAsOrSubclassOf