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@dbrattli

Dag Brattli

@dbrattli·Oslo, Norway·Joined 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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Cardamom Codecardamomcode.dev2 posts

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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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Nothing here yet.

Dag Brattli's blogs

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@dbrattli

Dag Brattli

@dbrattli·Oslo, Norway·Joined December 2021

About

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

Available for

Nothing here yet.

Dag Brattli's blogs

Cardamom Codecardamomcode.dev2 posts

About

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

Available for

Nothing here yet.

Dag Brattli's blogs

Cardamom Codecardamomcode.dev2 posts

Articles Comments

Dag Brattli (@dbrattli) | Hashnode

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DBDag Brattliincardamomcode.dev·Dec 21, 2025 · 76 min read

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

DBDag Brattliincardamomcode.dev·Feb 8, 2025 · 15 min read

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...