Struct rustfmt_wrapper::config::Config

source · [−]
pub struct Config {
Show 66 fields
    pub max_width: Option<usize>,
    pub hard_tabs: Option<bool>,
    pub tab_spaces: Option<usize>,
    pub newline_style: Option<NewlineStyle>,
    pub indent_style: Option<IndentStyle>,
    pub use_small_heuristics: Option<Heuristics>,
    pub fn_call_width: Option<usize>,
    pub attr_fn_like_width: Option<usize>,
    pub struct_lit_width: Option<usize>,
    pub struct_variant_width: Option<usize>,
    pub array_width: Option<usize>,
    pub chain_width: Option<usize>,
    pub single_line_if_else_max_width: Option<usize>,
    pub wrap_comments: Option<bool>,
    pub format_code_in_doc_comments: Option<bool>,
    pub doc_comment_code_block_width: Option<usize>,
    pub comment_width: Option<usize>,
    pub normalize_comments: Option<bool>,
    pub normalize_doc_attributes: Option<bool>,
    pub format_strings: Option<bool>,
    pub format_macro_matchers: Option<bool>,
    pub format_macro_bodies: Option<bool>,
    pub hex_literal_case: Option<HexLiteralCase>,
    pub empty_item_single_line: Option<bool>,
    pub struct_lit_single_line: Option<bool>,
    pub fn_single_line: Option<bool>,
    pub where_single_line: Option<bool>,
    pub imports_indent: Option<IndentStyle>,
    pub imports_layout: Option<ListTactic>,
    pub imports_granularity: Option<ImportGranularity>,
    pub group_imports: Option<GroupImportsTactic>,
    pub merge_imports: Option<bool>,
    pub reorder_imports: Option<bool>,
    pub reorder_modules: Option<bool>,
    pub reorder_impl_items: Option<bool>,
    pub type_punctuation_density: Option<TypeDensity>,
    pub space_before_colon: Option<bool>,
    pub space_after_colon: Option<bool>,
    pub spaces_around_ranges: Option<bool>,
    pub binop_separator: Option<SeparatorPlace>,
    pub remove_nested_parens: Option<bool>,
    pub combine_control_expr: Option<bool>,
    pub short_array_element_width_threshold: Option<usize>,
    pub overflow_delimited_expr: Option<bool>,
    pub struct_field_align_threshold: Option<usize>,
    pub enum_discrim_align_threshold: Option<usize>,
    pub match_arm_blocks: Option<bool>,
    pub match_arm_leading_pipes: Option<MatchArmLeadingPipe>,
    pub force_multiline_blocks: Option<bool>,
    pub fn_args_layout: Option<Density>,
    pub brace_style: Option<BraceStyle>,
    pub control_brace_style: Option<ControlBraceStyle>,
    pub trailing_semicolon: Option<bool>,
    pub trailing_comma: Option<SeparatorTactic>,
    pub match_block_trailing_comma: Option<bool>,
    pub blank_lines_upper_bound: Option<usize>,
    pub blank_lines_lower_bound: Option<usize>,
    pub edition: Option<Edition>,
    pub version: Option<Version>,
    pub inline_attribute_width: Option<usize>,
    pub format_generated_files: Option<bool>,
    pub merge_derives: Option<bool>,
    pub use_try_shorthand: Option<bool>,
    pub use_field_init_shorthand: Option<bool>,
    pub force_explicit_abi: Option<bool>,
    pub condense_wildcard_suffixes: Option<bool>,

}
Expand description

rustfmt configuration.

See the rustfmt documentation for the descriptions of these stable and non-stable options.

Fields

max_width: Option<usize>

Maximum width of each line

hard_tabs: Option<bool>

Use tab characters for indentation, spaces for alignment

tab_spaces: Option<usize>

Number of spaces per tab

newline_style: Option<NewlineStyle>

Unix or Windows line endings

indent_style: Option<IndentStyle>

How do we indent expressions or items

use_small_heuristics: Option<Heuristics>

Whether to use different formatting for items and expressions if they satisfy a heuristic notion of ‘small’

fn_call_width: Option<usize>

Maximum width of the args of a function call before falling back to vertical formatting.

attr_fn_like_width: Option<usize>

Maximum width of the args of a function-like attributes before falling back to vertical formatting.

struct_lit_width: Option<usize>

Maximum width in the body of a struct lit before falling back to vertical formatting.

struct_variant_width: Option<usize>

Maximum width in the body of a struct variant before falling back to vertical formatting.

array_width: Option<usize>

Maximum width of an array literal before falling back to vertical formatting.

chain_width: Option<usize>

Maximum length of a chain to fit on a single line.

single_line_if_else_max_width: Option<usize>

Maximum line length for single line if-else expressions. A value of zero means always break if-else expressions.

wrap_comments: Option<bool>

Break comments to fit on the line

format_code_in_doc_comments: Option<bool>

Format the code snippet in doc comments.

doc_comment_code_block_width: Option<usize>

Maximum width for code snippets in doc comments. No effect unless format_code_in_doc_comments = true

comment_width: Option<usize>

Maximum length of comments. No effect unless wrap_comments = true

normalize_comments: Option<bool>

Convert /* */ comments to // comments where possible

normalize_doc_attributes: Option<bool>

Normalize doc attributes as doc comments

format_strings: Option<bool>

Format string literals where necessary

format_macro_matchers: Option<bool>

Format the metavariable matching patterns in macros

format_macro_bodies: Option<bool>

Format the bodies of macros

hex_literal_case: Option<HexLiteralCase>

Format hexadecimal integer literals

empty_item_single_line: Option<bool>

Put empty-body functions and impls on a single line

struct_lit_single_line: Option<bool>

Put small struct literals on a single line

fn_single_line: Option<bool>

Put single-expression functions on a single line

where_single_line: Option<bool>

Force where-clauses to be on a single line

imports_indent: Option<IndentStyle>

Indent of imports

imports_layout: Option<ListTactic>

Item layout inside a import block

imports_granularity: Option<ImportGranularity>

Merge or split imports to the provided granularity

group_imports: Option<GroupImportsTactic>

Controls the strategy for how imports are grouped together

merge_imports: Option<bool>

(deprecated: use imports_granularity instead)

reorder_imports: Option<bool>

Reorder import and extern crate statements alphabetically

reorder_modules: Option<bool>

Reorder module statements alphabetically in group

reorder_impl_items: Option<bool>

Reorder impl items

type_punctuation_density: Option<TypeDensity>

Determines if ‘+’ or ‘=’ are wrapped in spaces in the punctuation of types

space_before_colon: Option<bool>

Leave a space before the colon

space_after_colon: Option<bool>

Leave a space after the colon

spaces_around_ranges: Option<bool>

Put spaces around the .. and ..= range operators

binop_separator: Option<SeparatorPlace>

Where to put a binary operator when a binary expression goes multiline

remove_nested_parens: Option<bool>

Remove nested parens

combine_control_expr: Option<bool>

Combine control expressions with function calls

short_array_element_width_threshold: Option<usize>

Width threshold for an array element to be considered short

overflow_delimited_expr: Option<bool>

Allow trailing bracket/brace delimited expressions to overflow

struct_field_align_threshold: Option<usize>

Align struct fields if their diffs fits within threshold

enum_discrim_align_threshold: Option<usize>

Align enum variants discrims, if their diffs fit within threshold

match_arm_blocks: Option<bool>

Wrap the body of arms in blocks when it does not fit on the same line with the pattern of arms

match_arm_leading_pipes: Option<MatchArmLeadingPipe>

Determines whether leading pipes are emitted on match arms

force_multiline_blocks: Option<bool>

Force multiline closure bodies and match arms to be wrapped in a block

fn_args_layout: Option<Density>

Control the layout of arguments in a function

brace_style: Option<BraceStyle>

Brace style for items

control_brace_style: Option<ControlBraceStyle>

Brace style for control flow constructs

trailing_semicolon: Option<bool>

Add trailing semicolon after break, continue and return

trailing_comma: Option<SeparatorTactic>

How to handle trailing commas for lists

match_block_trailing_comma: Option<bool>

Put a trailing comma after a block based match arm (non-block arms are not affected)

blank_lines_upper_bound: Option<usize>

Maximum number of blank lines which can be put between items

blank_lines_lower_bound: Option<usize>

Minimum number of blank lines which must be put between items

edition: Option<Edition>

The edition of the parser (RFC 2052)

version: Option<Version>

Version of formatting rules

inline_attribute_width: Option<usize>

Write an item and its attribute on the same line if their combined width is below a threshold

format_generated_files: Option<bool>

Format generated files

merge_derives: Option<bool>

Merge multiple #[derive(...)] into a single one

use_try_shorthand: Option<bool>

Replace uses of the try! macro by the ? shorthand

use_field_init_shorthand: Option<bool>

Use field initialization shorthand if possible

force_explicit_abi: Option<bool>

Always print the abi for extern items

condense_wildcard_suffixes: Option<bool>

Replace strings of _ wildcards by a single .. in tuple patterns

Trait Implementations

Returns the “default value” for a type. Read more

Serialize this value into the given Serde serializer. Read more

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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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