posita

PEP 827 – Type Manipulation

A Runtime Type-Checker Maintainer's Annotated Rewrite

by Cecil Curry (leycec), sole maintainer of beartype, a bald man in a cottage surrounded by a beautiful wife, three hairy cats of uncertain taxonomic status, and a pile of unread PEPs

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Abstract

PEP 827 introduces type manipulation operators to Python's typing module: composable primitives that construct, inspect, and transform type annotations at both static-analysis time (for type-checkers) and runtime (for frameworks like beartype, Pydantic, and FastAPI). This rewrite discards all content irrelevant to runtime type-checker implementors and rebuilds the conceptual hierarchy from the bottom up, because the original PEP assumes the reader already thinks in type theory. I do not. I think in isinstance().

posita

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.ipynb_checkpoints/

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Veritaseum, Inc. is seeking a full stack JavaScript developer. We are flexible as to formalizing relationships, but contractors should be prepared for an open-ended engagement.

Interview Challenge

1. If you’re not already familiar with our application, download it, start it up in Demo Mode, get your wallet address, grab some test coins (e.g., from here or here), and try a few trades.
2. Take look at id.js (attached to this Gist), and figure out what's wrong with it.
3. Send a link to your repository that has well-commented fix, along with your availability, time zone, compensation expectations, portfolio, references, and LinkedIn profile to jobs@veritaseum.com.

> > > SUBMISSIONS THAT DO NOT INCLUDE ALL OF THE ABOVE WILL BE IGNORED < < <

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Are you a creative type who loves designing and improving user experiences? Are you usually the person whose UX ideas and suggestions are (eventually) adopted as what goes into the final product? Do you like working with small, close-knit teams where you can have a tremendous impact? Do you like going from pen and paper straight to a browser mockup without having to start up Photoshop?

Veritaseum, Inc. is seeking a UI/UX developer. (We sketch, then we mockup in markup; no PSDs.)

We are flexible as to formalizing relationships, but contractors should be prepared for an open-ended engagement.

Interview Challenge

1. If you’re not already familiar with our application, download it, start it up in Demo Mode, get your wallet address, grab some test coins (e.g., from here or here), and try a few trades.
2. Familiarize yourself with the `My Tra

posita

#!/usr/bin/env python

from random import SystemRandom

SYS_RAN = SystemRandom()

#- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

from binascii import hexlify
from struct import Struct

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#-*-mode: python; encoding: utf-8; test-case-name: TestDeferredTee.TestDeferredTee-*-

#=========================================================================
"""
  Copyright (c) 2014 Matt Bogosian. <https://github.com/posita>.

  Permission is hereby granted, free of charge, to any person obtaining a
  copy of this software and associated documentation files (the
  "Software"), to deal in the Software without restriction, including
  without limitation the rights to use, copy, modify, merge, publish,