More List.minimum/maximum simplifications

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22 stars (22 stars)

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Description

List.minimum [ 1, 2, 3 ]
--> Just 1
List.minimum (1 :: [ 2, 3 ])
--> Just 1

List.maximum [ 1, 2, 3 ]
--> Just 3

List.minimum [ a, 1 ]
-- Not reported, but if there are duplicate values, then we can remove some of them
List.minimum [ 3, a, 1 ]
--> List.minimum [ a, 1 ]
List.minimum (3 :: list ++ [5])
--> List.minimum (3 :: list)
List.minimum ([3] ++ list ++ [5])
--> List.minimum ([3] ++ list)

List.minimum (List.repeat <positiveInt> x)
--> Just x
List.maximum (List.repeat <positiveInt> x)
--> Just x

List.minimum (List.range x y)
--> Just x ✅
List.maximum (List.range x y)
--> Just y ✅

Contributor guide

Research direction

Implement new simplification rules for List.minimum and List.maximum as described in the issue. Study the existing simplification patterns in elm review simplify to understand the architecture and add cases for literal lists, duplicates, concatenation, List.repeat, and List.range.

Tech stack

None

Domain

tooling

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.

Active

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

Clear

Prerequisites

Elm

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

70