rustfmt.toml

unstable_features = true                # Enable unstable features (requires nightly)
edition = "2024"                        # Rust edition
style_edition = "2024"                  # Style edition for formatting
hard_tabs = true                        # Use tabs for indentation
max_width = 128                         # Maximum width of each line

# Imports
group_imports = "StdExternalCrate"      # Group imports: Std, External, then Crate
imports_granularity = "Crate"           # Import granularity: group by crate
reorder_imports = true                  # Reorder imports alphabetically
reorder_modules = true                  # Reorder module declarations

# Comments
wrap_comments = true                    # Wrap comments to max_width
normalize_comments = true               # Normalize comment style
format_code_in_doc_comments = true      # Format code blocks in doc comments

# Shorthand
use_field_init_shorthand = true         # Use field init shorthand where possible
use_try_shorthand = true                # Use ? instead of try! macro

# Alignment thresholds
enum_discrim_align_threshold = 20       # Align enum discriminants if <= threshold
struct_field_align_threshold = 20       # Align struct fields if <= threshold

# Formatting options
reorder_impl_items = true               # Reorder items in impl blocks
condense_wildcard_suffixes = true       # Condense wildcard suffixes in patterns
format_strings = true                   # Format string literals
format_macro_matchers = true            # Format macro matchers
format_macro_bodies = true              # Format macro bodies
newline_style = "Unix"                  # Use Unix-style newlines
blank_lines_upper_bound = 2             # Max blank lines between items
blank_lines_lower_bound = 0             # Min blank lines between items

# Macros
skip_macro_invocations = ["ensure"]     # Skip formatting for these macros

# Misc
force_explicit_abi = true               # Always require explicit ABI in extern blocks
merge_derives = true                    # Merge multiple derives into a single attribute
normalize_doc_attributes = true         # Normalize doc attributes

# Advanced (optional, comment out if not needed)
# error_on_line_overflow = true         # Error if line exceeds max_width
# error_on_unformatted = true           # Error if file cannot be formatted