Bowie Examples

A collection of example programs demonstrating the Bowie language.

Running an example

bowie <file.bow>

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hello_world.bow

A tour of the core language: variables, functions, control flow, loops, arrays, hash maps, and closures.

bowie hello_world.bow

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math_utils.bow

A reusable module that exports constants and functions (PI, add, multiply, circle_area, factorial). Intended to be imported by other programs, not run directly.

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import_demo.bow

Shows the three import styles Bowie supports:

Style	Syntax
Namespace	import "math_utils.bow" as math
Selective	import "math_utils.bow" use multiply, factorial
Wildcard	import "math_utils.bow"

bowie import_demo.bow

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json_demo.bow

Demonstrates JSON encoding/decoding, string manipulation (trim, upper, lower, split, replace), environment variables, and math built-ins.

bowie json_demo.bow

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rest-api/

A multi-file REST API server structured with controllers, routes, and services.

rest-api/
├── server.bow              # Entry point — calls serve()
└── app/
    ├── index.bow           # Creates the server, mounts all routes
    ├── controllers/        # Request handlers
    ├── routes/             # Route registration
    └── services/           # Business logic

cd rest-api
PORT=4000 bowie server.bow

The server starts on http://127.0.0.1:4000 (override with the PORT env var).