Add support for chained comparisons

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803 stars (803 stars)

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Description

def main() -> None:
    if 1 < 2 < 3:
        print('hello')

❯ spy /tmp/x.spy 
ParseError: not implemented yet: chained comparisons
   --> /tmp/x.spy:2:16
  2 |     if 1 < 2 < 3:
    |                ^ this is not supported

Contributor guide

Research direction

Implement support for chained comparisons in the SPy parser by modifying the grammar and AST to handle expressions like 'a < b < c' as a conjunction of comparisons.

Tech stack

python

Domain

backend

Issue type

Feature

DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.

2

Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.

1-3 hours

Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.

Fresh

ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.

Clear

Prerequisites

Python

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

70