Brian Berns

Functional programming enthusiast focused on F# .NET applications. #fsharp

US Joined on Dec 11, 2019 brianberns@gmail.com

Work

I make software

Brian Berns

Apr 3

The reverse state monad in F#

#fsharp #dotnet #functional

4 min read

Why algebraic effects matter in F#

You're right that dummy doesn't cause a side-effect, because...

May 4

Getting the "nuget" package manager working in Visual Studio 2019

I suspect this is related to a recent change in Visual Studio...

Jun 15 '21

How to avoid the Visitor pattern in C#

Hi. I'm glad you like the series. The expression type discuss...

Mar 29 '21

Haskell - Boolean Blindness == True

Would True mean the light is on? or would it mean off? Hmm...

Jul 31 '20

MiniScaffold, setting up a new F# project the easy way

I do most of my work in F#, but I'm still an old-fashioned Vi...

Jul 28 '20

Why algebraic effects matter in F#

I think of algebraic effects as separating an effect from the...

Jul 17 '20

Generalizing Tree Traversal in Haskell with Typeclass

Good article. Thanks! For trees, there are three orders to ...

Jun 9 '20

Testable Back-end Programming in F#

Interesting. You might want to take a look at the Eff library...

May 15 '20

View all 62 comments

Brian Berns

May 13 '21

Applicatives in F#

#fsharp #dotnet #functional

4 min read

Brian Berns

May 29 '20

How to avoid the Visitor pattern in C#

#functional #csharp #dotnet

21 4

6 min read

Brian Berns

May 15 '20

Why algebraic effects matter in F#

#fsharp #dotnet #functional #effects

13 5

4 min read

Brian Berns

May 3 '20

The state monad in F#

#fsharp #dotnet #functional

4 min read

Brian Berns

May 1 '20

Monads for free in F#

#functional #dotnet #fsharp

29 5

6 min read

Brian Berns

Mar 19 '20

Existential types in C# - Part 3

#csharp #dotnet #functional

4 min read

Brian Berns

Mar 16 '20

Existentially quantified types in C# - Part 2

#csharp #dotnet #functional

16 2

3 min read

Brian Berns

Mar 15 '20

Existentially quantified types in C#

#csharp #dotnet #functional

28 2

3 min read

Brian Berns

Mar 14 '20

Universally quantified types in C#

#csharp #dotnet #functional

9 13

3 min read

Brian Berns

Feb 17 '20

Avoiding mutable classes in C#

#csharp #dotnet #functional

30 1

4 min read

Brian Berns

Feb 10 '20

How to avoid the Factory pattern in C#

#csharp #dotnet #functional

78 20

2 min read

Brian Berns

Feb 4 '20

Functional programming in C#

#csharp #dotnet #functional

54 1

3 min read

Brian Berns

Jan 28 '20

Continuation passing style in C#

#csharp #dotnet #logic #functional

4 min read

Brian Berns

Jan 26 '20

Double negation in C#

#csharp #dotnet #logic #functional

17 8

4 min read

Brian Berns

Jan 22 '20

Beautiful folds in F# - Part 3: Applicatives

#fsharp #dotnet #functional

9 2

4 min read

Brian Berns

Jan 20 '20

Beautiful folds in F# - Part 2

#fsharp #dotnet #functional

4 min read

Brian Berns

Jan 17 '20

Beautiful folds in F# - Part 1

#fsharp #dotnet #functional

5 min read

Brian Berns

Jan 15 '20

Functors in F#

#fsharp #dotnet #functional

8 4

4 min read

Brian Berns

Jan 10 '20

The Curry-Howard Correspondence in C#: Part 2

#csharp #dotnet #functional #logic

5 6

3 min read

Brian Berns

Jan 6 '20

F# Tip 4: When (not) to use point-free style

#fsharp #dotnet #functional

2 min read

Brian Berns

Jan 4 '20

Power series, power serious in F#

#fsharp #dotnet #functional

4 min read

Brian Berns

Jan 2 '20

F# Tip 3: Recursive sequence expressions

#fsharp #dotnet #functional

2 min read

Brian Berns

Dec 31 '19

The Curry-Howard Correspondence in C#

#csharp #dotnet #functional #logic

11 4

3 min read

Brian Berns

Dec 29 '19

F# Tip 2: Use the pipe operator

#fsharp #functional #design #dotnet

11 3

1 min read

Brian Berns

Dec 29 '19

F# Tip 1: Don't use classes

#fsharp #dotnet #design #functional

7 2

1 min read

Brian Berns

Dec 18 '19

Contravariants

#haskell #types #functional

1 min read

Brian Berns

Dec 17 '19

Profunctors

#haskell #types #functional

1 min read

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Recent comments

Why algebraic effects matter in F#

Getting the "nuget" package manager working in Visual Studio 2019

How to avoid the Visitor pattern in C#

Haskell - Boolean Blindness == True

MiniScaffold, setting up a new F# project the easy way

Why algebraic effects matter in F#

Generalizing Tree Traversal in Haskell with Typeclass

Testable Back-end Programming in F#