rustfmt.toml

# Reference: https://rust-lang.github.io/rustfmt/?version=master
edition = "2021"

# Add newline breaks to string literals where necessary
format_strings = true

# Ensure comments fit the `max_width` (ignores markdown headers and URLs).
wrap_comments = true

# Error if unable to get comments or string literals within `max_width`.
# Without this option rustfmt often silently gives up formatting the entire file.
# Setting it at least allows us to catch unformatted code in CI.
error_on_unformatted = true

# Split imports into 3 groups, flatten to module-level granularity, and sort them.
group_imports = "StdExternalCrate"
imports_granularity = "Module"
imports_layout = "HorizontalVertical"
reorder_imports = true

# Collapse `Struct { x: x }` into `Struct { x }` when possible.
use_field_init_shorthand = true