treeline 
a rust library for visualizing tree like data
install
Add the following to your Cargo.toml
[dependencies]
treeline = "0.1"usage
an example program is provided under the "examples" directory to mimic the tree(1)
linux program
$ cargo run --example tree target
Finished debug [unoptimized + debuginfo] target(s) in 0.0 secs
Running `target/debug/examples/tree target`
target
└── debug
├── .cargo-lock
├── .fingerprint
| └── treeline-21a5bdbd42e0b6da
| ├── dep-example-tree
| ├── dep-lib-treeline
| ├── example-tree
| ├── example-tree.json
| ├── lib-treeline
| └── lib-treeline.json
├── build
├── deps
| └── libtreeline.rlib
├── examples
| ├── tree
| └── tree.dSYM
| └── Contents
| ├── Info.plist
| └── Resources
| └── DWARF
| └── tree
├── libtreeline.rlib
└── nativeDoug Tangren (softprops) 2017