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• Breaking Changes
• C#
• C# 4.0
• existing
• group join
• Language Design
• partial
• queries
• query continuation
• unsafe code
• What's The Difference?

• What's the difference between a partial method and a partial class?

  Like "fixed" and "into", "partial" is also used in two confusingly similar-yet-different ways in C#. The purpose of a partial class is to allow you to textually break up a class declaration into multiple parts, usually parts found in separate files. The Read More... Posted Monday, September 14, 2009 8:16 AM by Eric Lippert | 32 Comments Filed under: C#, Language Design, What's The Difference?, keywords, existing, partial

• What's the Difference, Part Four: into vs into

  The keyword "into" in a query comprehension means two different things, depending on whether it follows a join or select/group. If it follows a join, it turns a join into a group join. If it follows a select or group then it introduces a query continuation. Read More... Posted Monday, August 31, 2009 6:30 AM by Eric Lippert | 8 Comments Filed under: C#, What's The Difference?, keywords, query continuation, group join, queries

• What's the Difference? Part Three: fixed vs. fixed

  I got an email the other day that began: I have a question about fixed sized buffers in C#: unsafe struct FixedBuffer { public fixed int buffer[100]; } Now by declaring buffer as fixed it is not movable... And my heart sank. This is one of those deeply Read More... Posted Thursday, August 27, 2009 6:43 AM by Eric Lippert | 16 Comments Filed under: C#, Language Design, unsafe code, keywords

• Reserved and Contextual Keywords

  Many programming languages, C# included, treat certain sequences of letters as “special”. Some sequences are so special that they cannot be used as identifiers. Let’s call those the “reserved keywords” and the remaining special sequences we’ll call the Read More... Posted Monday, May 11, 2009 8:07 AM by Eric Lippert | 10 Comments Filed under: C#, Breaking Changes, C# 4.0, Language Design, keywords