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@dbrattli

Dag Brattli

@dbrattliOslo, NorwayJoined December 2021

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Fable Python ▷ F# ♥️ Python. Expression, AsyncRx, RxPY. Works at Cognite. Microsoft alumni. On a quest to bridge the worlds of F# and Python 😅

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Dag Brattli's blogs

Cardamom Codecardamomcode.dev2 posts

Fable Python

Introduction to Fable.Python Generated on 2026-08-13 21:45 UTC using Fable v5.13.0. This post is part of the F# Advent Calendar 2025. Thank you, Sergey Tihon, for organizing this wonderful tradition

Dec 21, 2025 · 76 min readcardamomcode.dev

Python Type Annotations (part 3)

Python Type Annotations is a tutorial in 3 parts: Part 1 | Part 2 | Part 3 (this post) Table of contents Variance in Generics Covariance Contravariance Invariance References Variance in Generics Variance in generics refers to how subtyping relati...

Feb 8, 2025 · 15 min readcardamomcode.dev

Dag Brattli

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Dag Brattli's blogs

Fable Python

Python Type Annotations (part 3)

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Dag Brattli

About

Available for

Dag Brattli's blogs

Fable Python

Python Type Annotations (part 3)