R: Implementation Helper for '[' and '[<-' of Custom Matrix-Like Types

# Implementation Helper for '[' and '[<-' of Custom Matrix-Like Types

## Documentation for package ‘crochet’ version 2.3.0

- DESCRIPTION file
- User guides, package vignettes and other documentation
- Package NEWS
- Package README

## Help Pages

crochet-package | Implementation Helper for '[' and '[<-' of Custom Matrix-Like Types
convertIndex | Convert Non-Numeric Index Types to Positive Integers
extract | Create an Implementation of [ For Custom Matrix-Like Types
ijtok | Convert Two-Dimensional Indices i and j to One-Dimensional Index k
ktoij | Convert One-Dimensional Index k to Two-Dimensional Indices i and j
replace | Create an Implementation of [<- For Custom Matrix-Like Types