jolt-lang/jolt

support numbers like 1_000_000 this representation

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#389 opened on Jul 17, 2026

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enhancementhelp wanted

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 (14 stars)
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 (Avg merge 1h 45m) (219 merged PRs in 30d)

Description

Support notation for splitting large numbers using _ for readability

Contributor guide

Research direction
Locate the number parsing code in the lexer and add support for underscores between digits, ignoring them during parsing.
Tech stack
clojure
Domain
developer experience
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
GitClojure
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
80