chipsalliance/chisel

Add Bundle.Init (analogous to VecInit / Bundle.Lit)

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#2,435 opened on Mar 7, 2022

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 (6 comments) (0 reactions) (0 assignees)Scala (651 forks)batch import
good first issue

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Description

I sketched out a version of this here: https://scastie.scala-lang.org/D0948BD1SgeZEqLGkVBoJg

Ideally this (and VecInit for that matter) would:

  1. compose
  2. utilize DataView -- (we probably cannot change VecInit but views here so that you can connect to the underlying fields would be nice)

Regardless, this sketch is useful on its own even without the more robust solution

Type of issue: bug report | feature request | documentation | other enhancement

Impact: API addition (no impact on existing code)

Development Phase: proposal

What is the use case for changing the behavior?

Useful API for users

Contributor guide

Research direction
Review the provided Scastie sketch and implement Bundle.Init following the pattern of VecInit and Bundle.Lit. Ensure it composes well and consider using DataView for underlying field access.
Tech stack
scala
Domain
api
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
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.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
ScalaChisel
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70