catalan 0.2.0

binary tree of n variables where the parent node represents a function and the child node represents a value.

# IDE
.idea/
.vscode/
.vs/
*.iml

# Yarn
yarn.lock
node_modules/
npm-debug.log*
yarn-debug.log*
yarn-error.log*

# Rust
Cargo.lock
target/

# Build
Thumbs.db
.DS_Store
docs/.build/


*.7z