Improve range support

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Description

// Range expression                              1st value          2nd value
// [x] array or slice  a  [n]E, *[n]E, or []E    index    i  int    a[i]       E
// [ ] string          s  string type            index    i  int    see below  rune
// [ ] map             m  map[K]V                key      k  K      m[k]       V
// [ ] channel         c  chan E, <-chan E       element  e  E

Contributor guide

Research direction

Implement range over maps, strings, and channels in the compiler's bytecode generation for range statements.

Tech stack

gojavascript

Domain

devtools

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.

1-2 days

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

GoJavaScript

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

40