rustfmt.toml

# Rust fmt config for PolyEngien project.

# File ignore list
ignore = []

# Enable unstable features
unstable_features = true

# Use 2018 rust edition
edition = "2018"

# Put single-expression functions on a single line
fn_single_line = true 

# Format code snippet included in doc comments.
format_code_in_doc_comments = true

# Format the metavariable matching patterns in macros.
format_macro_matchers = true

# Format string literals where necessary
format_strings = true

# Use tab characters for indentation, spaces for alignment
hard_tabs = false

# Indent style of imports
imports_indent = "Block"

# Item layout inside a imports block
imports_layout = "HorizontalVertical"

# Merge multiple imports into a single nested import.
merge_imports = true

# Unix or Windows line endings
newline_style = "Unix"

# Convert /* */ comments to // comments where possible
normalize_comments = true

# Remove nested parens.
remove_nested_parens = true

# Reorder impl items. type and const are put first, then macros and methods.
reorder_impl_items = true

# Reorder import and extern crate statements alphabetically in groups (a group is separated by a newline).
reorder_imports = true

# Reorder mod declarations alphabetically in group.
reorder_modules = true

# Leave a space after the colon.
space_after_colon = true

# Number of spaces per tab
tab_spaces = 4

# How to handle trailing commas for lists
trailing_comma = "Vertical"

# Add trailing semicolon after break, continue and return
trailing_semicolon = true

# Determines if + or = are wrapped in spaces in the punctuation of types
type_punctuation_density = "Wide"

# Use field initialize shorthand if possible.
use_field_init_shorthand = true

# Break comments to fit on the line
wrap_comments = true