rustfmt.toml

# Rustfmt configuration for ACBU smart contract workspace
# Restricted to stable options only — compatible with `cargo +stable fmt --check`

# Maximum line width
max_width = 100

# Hard tabs or spaces
hard_tabs = false
tab_spaces = 4

# Newline style
newline_style = "Unix"

# Use field init shorthand if possible
use_field_init_shorthand = true

# Use try shorthand
use_try_shorthand = true

# Format comments
comment_width = 100
wrap_comments = true
normalize_comments = true
normalize_doc_attributes = true

# Imports
imports_granularity = "Crate"
group_imports = "StdExternalCrate"
reorder_imports = true

# Structs and enums
struct_field_align_threshold = 0
enum_discrim_align_threshold = 0

# Match expressions
match_arm_blocks = true
match_arm_leading_pipes = "Never"

# Chains
chain_width = 60

# Control flow
single_line_if_else_max_width = 50

# Arrays
array_width = 60

# Error messages
error_on_line_overflow = false
error_on_unformatted = false

# Edition
edition = "2021"

# Merge derives
merge_derives = true

# Remove nested parens
remove_nested_parens = true

# Reorder impl items
reorder_impl_items = true

# Space after colon
space_after_colon = true
space_before_colon = false

# Spaces around ranges
spaces_around_ranges = false

# Trailing comma — "Vertical" is stable
trailing_comma = "Vertical"
trailing_semicolon = true

# Type punctuation density
type_punctuation_density = "Wide"

# Brace style
brace_style = "SameLineWhere"

# Control brace style
control_brace_style = "AlwaysSameLine"

# Empty item single line
empty_item_single_line = true

# fn_params_layout replaces the deprecated fn_args_layout
fn_params_layout = "Tall"

# Fn call width
fn_call_width = 80

# Fn single line
fn_single_line = false

# Where single line
where_single_line = false

# Indent style
indent_style = "Block"

# Hex literal case
hex_literal_case = "Lower"

# Reorder modules
reorder_modules = true

# Short array element width threshold
short_array_element_width_threshold = 10

# Struct lit single line
struct_lit_single_line = true

# Struct variant width
struct_variant_width = 35