-
```
---
name: 嶽雅也
title: "FP in Scalaの学びを他言語へ Dartz入門"
length: 40
audience: Beginner
language: Japanese
twitter: https://twitter.com/azarashi1229
github:
icon: https://www.facebook.com/photo.php?fbid…
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It would be convenient for `Either` to have `bool isRight()`, `bool isLeft()` and `Either swap()` methods. The `fold` method is sufficient, but it doesn't read as well in some usages. Scala and scalaz…
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Google has just released [Flutter Release Preview 1](https://medium.com/flutter-io/flutter-release-preview-1-943a9b6ee65a?linkId=53249457) and [Dart Angular 5.0.0-beta](https://github.com/dart-lang/an…
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Upgrading to `Dart VM version: 2.0.0-dev.69.0 (Tue Jul 17 14:57:16 2018 +0200) on "macos_x64"` now causes failures when running unit tests under the VM. This seems similar to https://github.com/spebbe…
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I'm a Scala developer who's starting to use Dart and am excited to see your dartz library. I'm living on the bleeding edge and using Dart 2.0.0-dev.39.0. Option and Either work but when I try to use I…
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I'm encountering 2 issues when sorting an `IList` in Dart 2 running in strong mode on DDC.
The first issue is a runtime `CastError` on the `IList` `partition` function which is called by the `sort…
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I need to convert an `IList` to a `IHashMap`. In Scala I would use `Seq(Some("a"->1),None).flatten.toMap`. In dartz the `.flatten()` returns runtime error:
CastError: Casting value of type 'Som…
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I know that the plugin is not supported on Windows at the moment. But I used it for some month till now and it worked good (except the complicated setup).
But somewhere between the latest stable Dar…
Fox32 updated
6 years ago
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Hi! Attached is a minimal project that runs fine in the dart vm and dart2js, but fails at run time with:
```
require.js:143 Uncaught ReferenceError: L is not defined
at dartz.Either$.dart.gener…
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It could be interesting to see an example on how to do efficient text file reads using Free IO and Conveyor, if line-by-line reading is something that Free IO and Conveyor can do efficiently.
I'm am …