rivia 0.2.1

# --------------------------------------------------------------------------------------------------
# Sourced from a combination of 
# 1. rustfmt --print-config=default > rustfmt.toml
# 2. rustfmt --help=config
# 3. https://rust-lang.github.io/rustfmt/?version=v1.4.38&search=
# --------------------------------------------------------------------------------------------------
required_version = "1.4.38"

# Maximum width of an array literal before falling back to vertical formatting.
# Default: 60
# Possible values: any positive integer that is less than or equal to the value specified for max_width
array_width = 80

# Maximum width of the args of a function-like attributes before falling back to vertical formatting.
# Default value: 70
# Possible values: any positive integer that is less than or equal to the value specified for max_width
attr_fn_like_width = 100

# Where to put a binary operator when a binary expression goes multiline.
# Default value: "Front"
# Possible values: "Front", "Back"
binop_separator = "Front"

# Minimum number of blank lines which must be put between items. If two items have fewer blank lines
# between them, additional blank lines are inserted.
# Default value: 0 
# Possible values: unsigned integer
blank_lines_lower_bound = 0

# Maximum number of blank lines which can be put between items. If more than this number of consecutive
# empty lines are found, they are trimmed down to match this integer.
# Default value: 1
# Possible values: any non-negative integer
blank_lines_upper_bound = 1

# Brace style for items
# Default value: "SameLineWhere"
# Possible values: "AlwaysNextLine", "PreferSameLine", "SameLineWhere"
brace_style = "AlwaysNextLine"

# Maximum length of a chain to fit on a single line.
# Default: 60
# Possible values: any positive integer that is less than or equal to the value specified for max_width
chain_width = 110

# Whether to use colored output or not.
# Default value: "Auto"
# Possible values: "Auto", "Always", "Never"
color = "Auto"

# Combine control expressions with function calls.
# Default value: true
# Possible values: true, false
combine_control_expr = true

# Maximum length of comments. No effect unless wrap_comments = true.
# Default value: 80
# Possible values: any positive integer
comment_width = 100

# Replace strings of _ wildcards by a single .. in tuple patterns
# Default value: false
# Possible values: true, false
condense_wildcard_suffixes = false

# Brace style for control flow constructs
# Default value: "AlwaysSameLine"
# Possible values: "AlwaysNextLine", "AlwaysSameLine", "ClosingNextLine"
control_brace_style = "AlwaysSameLine"

# Don't reformat anything
# Default value: false
# Possible values: true, false
disable_all_formatting = false

# Specifies which edition is used by the parser.
# Default value: "2015"
# Possible values: "2015", "2018", "2021"
edition = "2021"

# Put empty-body functions and impls on a single line
# Default value: true
# Possible values: true, false
empty_item_single_line = true

# The maximum length of enum variant having discriminant, that gets vertically aligned with others.
# Variants without discriminants would be ignored for the purpose of alignment.
# Note that this is not how much whitespace is inserted, but instead the longest variant name that
# doesn't get ignored when aligning.
# Default value : 0
# Possible values: any positive integer
enum_discrim_align_threshold = 0

# Error if Rustfmt is unable to get all lines within max_width, except for comments and string
# literals. If this happens, then it is a bug in Rustfmt. You might be able to work around the bug
# by refactoring your code to avoid long/complex expressions, usually by extracting a local variable
# or using a shorter name.
# Default value: false
# Possible values: true, false
error_on_line_overflow = false

# Error if unable to get comments or string literals within max_width, or they are left with trailing whitespaces.
# Default value: false
# Possible values: true, false
error_on_unformatted = false

# Control the layout of arguments in a function
# Default value: "Tall"
# Possible values: "Compressed", "Tall", "Vertical"
fn_args_layout = "Compressed"

# Maximum width of the args of a function call before falling back to vertical formatting.
# Default value: 60
# Possible values: any positive integer that is less than or equal to the value specified for max_width
fn_call_width = 110

# Put single-expression functions on a single line
# Default value: false
# Possible values: true, false
fn_single_line = false

# Always print the abi for extern items
# Default value: true
# Possible values: true, false
force_explicit_abi = true

# Force multiline closure and match arm bodies to be wrapped in a block
# Default value: false
# Possible values: false, true
force_multiline_blocks = false

# Format code snippet included in doc comments.
# Default value: false
# Possible values: true, false
format_code_in_doc_comments = false

# Format generated files. A file is considered generated if any of the first five lines contains @generated marker.
# Default value: false
# Possible values: true, false
format_generated_files = false

# Format the metavariable matching patterns in macros.
# Default value: false
# Possible values: true, false
format_macro_matchers = false

# Format the bodies of macros.
# Default value: true
# Possible values: true, false
format_macro_bodies = true

# Format string literals where necessary
# Default value: false
# Possible values: true, false
format_strings = false

# Controls the strategy for how imports are grouped together.
# Default value: Preserve
# Possible values: Preserve, StdExternalCrate
group_imports = "StdExternalCrate"

# Use tab characters for indentation, spaces for alignment
# Default value: false
# Possible values: true, false
hard_tabs = false

# Control the case of the letters in hexadecimal literal values
# Default value: Preserve
# Possible values: Upper, Lower
hex_literal_case = "Preserve"

# Do not show parse errors if the parser failed to parse files.
# Default value: false
# Possible values: true, false
hide_parse_errors = false

# Skip formatting files and directories that match the specified pattern. The pattern format is the
# same as .gitignore. Be sure to use Unix/forwardslash / style paths. This path style will work on
# all platforms. Windows style paths with backslashes \ are not supported.
# Default value: format every file
# Ignore specific files: ["src/types.rs", "src/foo/bar.rs"]
# Ignore everything in examples: ["examples"]
# Ignore everything below the rustfmt.toml location: ["/"]
ignore = []

# Indent style of imports
# Default Value: "Block"
# Possible values: "Block", "Visual"
imports_indent = "Block"

# How imports should be grouped into use statements. Imports will be merged or split to the
# configured level of granularity.
# Default value: Preserve
# Possible values: Preserve, Crate, Module, Item, One
imports_granularity = "Preserve"

# Item layout inside a imports block
# Default value: "Mixed"
# Possible values: "Horizontal", "HorizontalVertical", "Mixed", "Vertical"
imports_layout = "Mixed"

# Indent on expressions or items.
# Default value: "Block"
# Possible values: "Block", "Visual"
indent_style = "Block"

# Write an item and its attribute on the same line if their combined width is below a threshold
# Default value: 0
# Possible values: any positive integer
inline_attribute_width = 0

# Check whether beginnings of files match a license template.
# Default value: ""
# Possible values: path to a license template file
license_template_path = ""

# Wrap the body of arms in blocks when it does not fit on the same line with the pattern of arms
# Default value: true
# Possible values: true, false
match_arm_blocks = true

# Controls whether to include a leading pipe on match arms
# Default value: Never
# Possible values: Always, Never, Preserve
match_arm_leading_pipes = "Never"

# Put a trailing comma after a block based match arm (non-block arms are not affected)
# Default value: false
# Possible values: true, false
match_block_trailing_comma = true

# Maximum width of each line
# Default value: 100
# Possible values: any positive integer
max_width = 115

# Merge multiple derives into a single one.
# Default value: true
# Possible values: true, false
merge_derives = true

# Unix or Windows line endings
# Default value: "Auto"
# Possible values: "Auto", "Native", "Unix", "Windows"
newline_style = "Unix"

# Convert /* */ comments to // comments where possible
# Default value: false
# Possible values: true, false
normalize_comments = true

# Convert #![doc] and #[doc] attributes to //! and /// doc comments.
# Default value: false
# Possible values: true, false
normalize_doc_attributes = false

# When structs, slices, arrays, and block/array-like macros are used as the last argument
# in an expression list, allow them to overflow (like blocks/closures) instead of being
# indented on a new line.
# Default value: false
# Possible values: true, false
overflow_delimited_expr = true

# Remove nested parens.
# Default value: true,
# Possible values: true, false
remove_nested_parens = true

# Reorder impl items. type and const are put first, then macros and methods.
# Default value: false
# Possible values: true, false
reorder_impl_items = false

# Reorder import and extern crate statements alphabetically in groups (a group is separated by a newline).
# Default value: true
# Possible values: true, false
reorder_imports = true

# Reorder mod declarations alphabetically in group.
# Default value: true
# Possible values: true, false
reorder_modules = true

# Report FIXME items in comments.
# Default value: "Never"
# Possible values: "Always", "Unnumbered", "Never"
report_fixme = "Never"

# Report TODO items in comments.
# Default value: "Never"
# Possible values: "Always", "Unnumbered", "Never"
report_todo = "Never"

# Don't reformat out of line modules
# Default value: false
# Possible values: true, false
skip_children = false

# Leave a space after the colon.
# Default value: true
# Possible values: true, false
space_after_colon = true

# Leave a space before the colon.
# Default value: false
# Possible values: true, false
space_before_colon = false

# Put spaces around the .., ..=, and ... range operators
# Default value: false
# Possible values: true, false
spaces_around_ranges = false

# The maximum diff of width between struct fields to be aligned with each other.
# Default value: 0
# Possible values: any non-negative integer
struct_field_align_threshold = 0

# Put small struct literals on a single line
# Default value: true
# Possible values: true, false
struct_lit_single_line = true

struct_lit_width = 18

struct_variant_width = 35

single_line_if_else_max_width = 110

# Number of spaces per tab
# Default value: 4
# Possible values: any positive integer
tab_spaces = 4

# How to handle trailing commas for lists
# Default value: "Vertical"
# Possible values: "Always", "Never", "Vertical"
trailing_comma = "Vertical"

# Add trailing semicolon after break, continue and return
# Default value: true
# Possible values: true, false
trailing_semicolon = true

# Determines if + or = are wrapped in spaces in the punctuation of types
# Default value: "Wide"
# Possible values: "Compressed", "Wide"
type_punctuation_density = "Compressed"

# Enable unstable features on the unstable channel.
# Default value: false
# Possible values: true, false
unstable_features = true

# Use field initialize shorthand if possible.
# Default value: false
# Possible values: true, false
use_field_init_shorthand = true

# Whether to use different formatting for items and expressions if they satisfy a heuristic notion of 'small'.
# Default value: "Default"
# Possible values: "Default", "Off", "Max"
use_small_heuristics = "Max"

# Replace uses of the try! macro by the ? shorthand
# Default value: false
# Possible values: true, false
use_try_shorthand = true

# Which version of the formatting rules to use. Version::One is backwards-compatible with Rustfmt 1.0.
# Other versions are only backwards compatible within a major version number.
# Default value: One
# Possible values: One, Two
version = "One"

# Forces the where clause to be laid out on a single line.
# Default value: false
# Possible values: true, false
where_single_line = true

# Break comments to fit on the line
# Default value: false
# Possible values: true, false
wrap_comments = true