Questions tagged [c#]
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8 questions
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Incremental Compilation in Recursive‑Descent Parser (Roslyn)
I wrote a simple recursive‑descent parser for my DSL, but every edit in vscode forces me to reparse the whole file.
Roslyn (the C# compiler) also uses a hand-written recursive-descent parser yet ...
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4
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2
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How do immutable compilers like Roslyn handle cyclic references in type definitions?
I'm learning about how modern compilers like Roslyn handle symbol tables and type information. From what I understand, Roslyn uses immutable data structures to represent symbols, which helps ensure ...
- 305
5
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Semantics on `with` keyword in C# for (heap-based) records
I have a question about a C# language design. Let's have a following code:
...
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3
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2
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Does the C# type of generics need compiling to multiple instances of target code?
In C++, templated code are compiled multiple times according to the parameters. But I just realized how restrictive C# generics are:
The interfaces you are using on variables in a generic parameter ...
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Are delegates still relevant in modern C#?
Delegates have been part of the design of C# for decades. But would it be wrong to say that over time, all the uses of delegates have become better achieved through other means?
(Or, dramatically ...
- 2,867
14
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Async Implementation
I have recently been making my own programming language and I am finding most concepts easy to understand, however I'm not sure how to implement async/await in my language.
ATM, I'm using C# to create ...
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5
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2
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What if all static methods in Java or C# could be extension methods just by default?
C# 3.0 introduced extension methods to "enhance" behavior of existing types without interface bloating to avoid modifying/breaking existing interfaces. This was the first time I learned of ...
16
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3
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Why does C# have events as a language construct, rather than in the standard library?
In C#, events and event listeners have direct support within the language, with event being a keyword, and event declarations being a special kind of member ...
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