---
title: "Examples"
output: arl::arl_html_vignette
pkgdown:
  as_is: true
vignette: >
  %\VignetteIndexEntry{Examples}
  %\VignetteEngine{knitr::rmarkdown}
  %\VignetteEncoding{UTF-8}
---

```{r setup, include = FALSE}
knitr::opts_chunk$set(collapse = TRUE, comment = "#>")
arl::register_knitr_engine()
```

These examples are complete Arl programs from
[`inst/examples`](https://github.com/wwbrannon/arl/tree/main/inst/examples/).
Each section pulls in the full source from the corresponding file, with syntax
highlighting, and links back to the repository version.

## Fibonacci

Recursive, iterative, and sequence-based Fibonacci implementations.

Source: <https://github.com/wwbrannon/arl/blob/main/inst/examples/fibonacci.arl>

```{arl, code=readLines(system.file("examples", "fibonacci.arl", package = "arl"))}
```


## Quicksort

Quicksort and mergesort, with list operations and helpers.

Source: <https://github.com/wwbrannon/arl/blob/main/inst/examples/quicksort.arl>

```{arl, code=readLines(system.file("examples", "quicksort.arl", package = "arl"))}
```


## FizzBuzz

Multiple FizzBuzz variations showing control flow and list processing.

Source: <https://github.com/wwbrannon/arl/blob/main/inst/examples/fizzbuzz.arl>

```{arl, code=readLines(system.file("examples", "fizzbuzz.arl", package = "arl"))}
```


## Macro Examples

Macro definitions, quasiquote, expansion, and DSL-style helpers.

Source: <https://github.com/wwbrannon/arl/blob/main/inst/examples/macro-examples.arl>

```{arl, code=readLines(system.file("examples", "macro-examples.arl", package = "arl"))}
```


## Pipeline Macros

Threading a value through a custom pipeline macro.

Source: <https://github.com/wwbrannon/arl/blob/main/inst/examples/pipeline-macros.arl>

```{arl, code=readLines(system.file("examples", "pipeline-macros.arl", package = "arl"))}
```


## Data Analysis

R interoperability and data transformations.

Source: <https://github.com/wwbrannon/arl/blob/main/inst/examples/data-analysis.arl>

```{arl, code=readLines(system.file("examples", "data-analysis.arl", package = "arl"))}
```


## Graph Paths

BFS traversal and Dijkstra shortest paths.

Source: <https://github.com/wwbrannon/arl/blob/main/inst/examples/graph-paths.arl>

```{arl, code=readLines(system.file("examples", "graph-paths.arl", package = "arl"))}
```


## Log Parser

Parsing logs, aggregating status counts, and computing averages.

Source: <https://github.com/wwbrannon/arl/blob/main/inst/examples/log-parser.arl>

```{arl, code=readLines(system.file("examples", "log-parser.arl", package = "arl"))}
```


## Sales Report

Data wrangling and CSV output using R interop.

Source: <https://github.com/wwbrannon/arl/blob/main/inst/examples/sales-report.arl>

```{arl, code=readLines(system.file("examples", "sales-report.arl", package = "arl"))}
```


## Task Runner

Dependency ordering and execution sequencing.

Source: <https://github.com/wwbrannon/arl/blob/main/inst/examples/task-runner.arl>

```{arl, code=readLines(system.file("examples", "task-runner.arl", package = "arl"))}
```