run-kit 0.7.1

Universal multi-language runner and smart REPL
Documentation 
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# Run 2.0 Configuration for Polyglot Calculator Example
#
# This example demonstrates:
# 1. Rust component calling Python component
# 2. Zero handwritten FFI
# 3. WIT as the universal contract
# 4. Cross-language composition via Component Model

[project]
name = "polyglot-calculator"
version = "1.0.0"
description = "Cross-language calculator: Rust calling Python"
authors = ["Run 2.0 Team"]
license = "Apache-2.0"

[dependencies]
# WASI interfaces needed
"wasi:cli" = "0.2.0"
"wasi:io" = "0.2.0"

[components.calculator]
# Python calculator implementation
path = "python-impl/calculator.wasm"
build = "componentize-py -d calculator.wit -w calculator-world python-impl/calculator.py -o python-impl/calculator.wasm"

[components.caller]
# Rust caller that uses the calculator
path = "rust-caller/target/wasm32-wasip1/release/rust_caller.wasm"
build = "cd rust-caller && cargo component build --release"
dependencies = ["calculator"]

[dev]
hot_reload = true
watch = [
    "calculator.wit",
    "python-impl/**/*.py",
    "rust-caller/src/**/*.rs"
]

[build]
output_dir = "dist"
target = "wasm32-wasip1"