do not put tracking issue as part of the option's title

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Stéphane Campinas 2019-02-18 20:35:22 +01:00
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@ -18,13 +18,13 @@ To enable unstable options, set `unstable_features = true` in `rustfmt.toml` or
Below you find a detailed visual guide on all the supported configuration options of rustfmt:
## `indent_style` (tracking issue #3346)
## `indent_style`
Indent on expressions or items.
- **Default value**: `"Block"`
- **Possible values**: `"Block"`, `"Visual"`
- **Stable**: No
- **Stable**: No (tracking issue: #3346)
### Array
@ -355,13 +355,13 @@ fn main() {
}
```
## `binop_separator` (tracking issue #3368)
## `binop_separator`
Where to put a binary operator when a binary expression goes multiline.
- **Default value**: `"Front"`
- **Possible values**: `"Front"`, `"Back"`
- **Stable**: No
- **Stable**: No (tracking issue: #3368)
#### `"Front"` (default):
@ -395,13 +395,13 @@ fn main() {
}
```
## `combine_control_expr` (tracking issue #3369)
## `combine_control_expr`
Combine control expressions with function calls.
- **Default value**: `true`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3369)
#### `true` (default):
@ -503,13 +503,13 @@ fn example() {
}
```
## `comment_width` (tracking issue #3349)
## `comment_width`
Maximum length of comments. No effect unless`wrap_comments = true`.
- **Default value**: `80`
- **Possible values**: any positive integer
- **Stable**: No
- **Stable**: No (tracking issue: #3349)
**Note:** A value of `0` results in [`wrap_comments`](#wrap_comments) being applied regardless of a line's width.
@ -526,13 +526,13 @@ Maximum length of comments. No effect unless`wrap_comments = true`.
See also [`wrap_comments`](#wrap_comments).
## `condense_wildcard_suffixes` (tracking issue #3384)
## `condense_wildcard_suffixes`
Replace strings of _ wildcards by a single .. in tuple patterns
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3384)
#### `false` (default):
@ -551,13 +551,13 @@ fn main() {
}
```
## `control_brace_style` (tracking issue #3377)
## `control_brace_style`
Brace style for control flow constructs
- **Default value**: `"AlwaysSameLine"`
- **Possible values**: `"AlwaysNextLine"`, `"AlwaysSameLine"`, `"ClosingNextLine"`
- **Stable**: No
- **Stable**: No (tracking issue: #3377)
#### `"AlwaysSameLine"` (default):
@ -599,15 +599,15 @@ fn main() {
}
```
## `disable_all_formatting` (tracking issue #3388)
## `disable_all_formatting`
Don't reformat anything
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3388)
## `error_on_line_overflow` (tracking issue #3391)
## `error_on_line_overflow`
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
@ -616,26 +616,26 @@ using a shorter name.
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3391)
See also [`max_width`](#max_width).
## `error_on_unformatted` (tracking issue #3392)
## `error_on_unformatted`
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`
- **Stable**: No
- **Stable**: No (tracking issue: #3392)
## `fn_args_density` (tracking issue #3375)
## `fn_args_density`
Argument density in functions
- **Default value**: `"Tall"`
- **Possible values**: `"Compressed"`, `"Tall"`, `"Vertical"`
- **Stable**: No
- **Stable**: No (tracking issue: #3375)
#### `"Tall"` (default):
@ -740,13 +740,13 @@ trait Lorem {
```
## `brace_style` (tracking issue #3376)
## `brace_style`
Brace style for items
- **Default value**: `"SameLineWhere"`
- **Possible values**: `"AlwaysNextLine"`, `"PreferSameLine"`, `"SameLineWhere"`
- **Stable**: No
- **Stable**: No (tracking issue: #3376)
### Functions
@ -856,13 +856,13 @@ where
```
## `empty_item_single_line` (tracking issue #3356)
## `empty_item_single_line`
Put empty-body functions and impls on a single line
- **Default value**: `true`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3356)
#### `true` (default):
@ -885,7 +885,7 @@ impl Lorem {
See also [`brace_style`](#brace_style), [`control_brace_style`](#control_brace_style).
## `enum_discrim_align_threshold` (tracking issue #3372)
## `enum_discrim_align_threshold`
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.
@ -895,7 +895,7 @@ doesn't get ignored when aligning.
- **Default value** : 0
- **Possible values**: any positive integer
- **Stable**: No
- **Stable**: No (tracking issue: #3372)
#### `0` (default):
@ -932,13 +932,13 @@ enum Bar {
```
## `fn_single_line` (tracking issue #3358)
## `fn_single_line`
Put single-expression functions on a single line
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3358)
#### `false` (default):
@ -967,13 +967,13 @@ fn lorem() -> usize {
See also [`control_brace_style`](#control_brace_style).
## `where_single_line` (tracking issue #3359)
## `where_single_line`
Forces the `where` clause to be laid out on a single line.
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3359)
#### `false` (default):
@ -1025,13 +1025,13 @@ extern {
}
```
## `format_strings` (tracking issue #3353)
## `format_strings`
Format string literals where necessary
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3353)
#### `false` (default):
@ -1052,13 +1052,13 @@ fn main() {
See also [`max_width`](#max_width).
## `format_macro_matchers` (tracking issue #3354)
## `format_macro_matchers`
Format the metavariable matching patterns in macros.
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3354)
#### `false` (default):
@ -1089,13 +1089,13 @@ macro_rules! foo {
See also [`format_macro_bodies`](#format_macro_bodies).
## `format_macro_bodies` (tracking issue #3355)
## `format_macro_bodies`
Format the bodies of macros.
- **Default value**: `true`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3355)
#### `true` (default):
@ -1149,13 +1149,13 @@ fn lorem() -> usize {
See also: [`tab_spaces`](#tab_spaces).
## `imports_indent` (tracking issue #3360)
## `imports_indent`
Indent style of imports
- **Default Value**: `"Block"`
- **Possible values**: `"Block"`, `"Visual"`
- **Stable**: No
- **Stable**: No (tracking issue: #3360)
#### `"Block"` (default):
@ -1175,13 +1175,13 @@ use foo::{xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx, yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy,
See also: [`imports_layout`](#imports_layout).
## `imports_layout` (tracking issue #3361)
## `imports_layout`
Item layout inside a imports block
- **Default value**: "Mixed"
- **Possible values**: "Horizontal", "HorizontalVertical", "Mixed", "Vertical"
- **Stable**: No
- **Stable**: No (tracking issue: #3361)
#### `"Mixed"` (default):
@ -1238,13 +1238,13 @@ use foo::{
};
```
## `merge_imports` (tracking issue #3362)
## `merge_imports`
Merge multiple imports into a single nested import.
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3362)
#### `false` (default):
@ -1261,13 +1261,13 @@ use foo::{a, b, c, d, e, f, g};
```
## `match_block_trailing_comma` (tracking issue #3380)
## `match_block_trailing_comma`
Put a trailing comma after a block based match arm (non-block arms are not affected)
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3380)
#### `false` (default):
@ -1331,13 +1331,13 @@ pub enum Foo {}
pub enum Foo {}
```
## `force_multiline_blocks` (tracking issue #3374)
## `force_multiline_blocks`
Force multiline closure and match arm bodies to be wrapped in a block
- **Default value**: `false`
- **Possible values**: `false`, `true`
- **Stable**: No
- **Stable**: No (tracking issue: #3374)
#### `false` (default):
@ -1407,13 +1407,13 @@ Line endings will be converted to `\n`.
Line endings will be converted to `\r\n`.
## `normalize_comments` (tracking issue #3350)
## `normalize_comments`
Convert /* */ comments to // comments where possible
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3350)
#### `false` (default):
@ -1522,13 +1522,13 @@ mod sit;
**Note** `mod` with `#[macro_export]` will not be reordered since that could change the semantics
of the original source code.
## `reorder_impl_items` (tracking issue #3363)
## `reorder_impl_items`
Reorder impl items. `type` and `const` are put first, then macros and methods.
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3363)
#### `false` (default)
@ -1558,13 +1558,13 @@ impl Iterator for Dummy {
}
```
## `report_todo` (tracking issue #3393)
## `report_todo`
Report `TODO` items in comments.
- **Default value**: `"Never"`
- **Possible values**: `"Always"`, `"Unnumbered"`, `"Never"`
- **Stable**: No
- **Stable**: No (tracking issue: #3393)
Warns about any comments containing `TODO` in them when set to `"Always"`. If
it contains a `#X` (with `X` being a number) in parentheses following the
@ -1572,13 +1572,13 @@ it contains a `#X` (with `X` being a number) in parentheses following the
See also [`report_fixme`](#report_fixme).
## `report_fixme` (tracking issue #3394)
## `report_fixme`
Report `FIXME` items in comments.
- **Default value**: `"Never"`
- **Possible values**: `"Always"`, `"Unnumbered"`, `"Never"`
- **Stable**: No
- **Stable**: No (tracking issue: #3394)
Warns about any comments containing `FIXME` in them when set to `"Always"`. If
it contains a `#X` (with `X` being a number) in parentheses following the
@ -1587,21 +1587,21 @@ it contains a `#X` (with `X` being a number) in parentheses following the
See also [`report_todo`](#report_todo).
## `skip_children` (tracking issue #3389)
## `skip_children`
Don't reformat out of line modules
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3389)
## `space_after_colon` (tracking issue #3366)
## `space_after_colon`
Leave a space after the colon.
- **Default value**: `true`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3366)
#### `true` (default):
@ -1627,13 +1627,13 @@ fn lorem<T:Eq>(t:T) {
See also: [`space_before_colon`](#space_before_colon).
## `space_before_colon` (tracking issue #3365)
## `space_before_colon`
Leave a space before the colon.
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3365)
#### `false` (default):
@ -1659,13 +1659,13 @@ fn lorem<T : Eq>(t : T) {
See also: [`space_after_colon`](#space_after_colon).
## `struct_field_align_threshold` (tracking issue #3371)
## `struct_field_align_threshold`
The maximum diff of width between struct fields to be aligned with each other.
- **Default value** : 0
- **Possible values**: any positive integer
- **Stable**: No
- **Stable**: No (tracking issue: #3371)
#### `0` (default):
@ -1687,13 +1687,13 @@ struct Foo {
}
```
## `spaces_around_ranges` (tracking issue #3367)
## `spaces_around_ranges`
Put spaces around the .., ..=, and ... range operators
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3367)
#### `false` (default):
@ -1743,13 +1743,13 @@ fn main() {
}
```
## `struct_lit_single_line` (tracking issue #3357)
## `struct_lit_single_line`
Put small struct literals on a single line
- **Default value**: `true`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3357)
#### `true` (default):
@ -1808,13 +1808,13 @@ fn lorem() {
See also: [`hard_tabs`](#hard_tabs).
## `trailing_comma` (tracking issue #3379)
## `trailing_comma`
How to handle trailing commas for lists
- **Default value**: `"Vertical"`
- **Possible values**: `"Always"`, `"Never"`, `"Vertical"`
- **Stable**: No
- **Stable**: No (tracking issue: #3379)
#### `"Vertical"` (default):
@ -1866,13 +1866,13 @@ fn main() {
See also: [`match_block_trailing_comma`](#match_block_trailing_comma).
## `trailing_semicolon` (tracking issue #3378)
## `trailing_semicolon`
Add trailing semicolon after break, continue and return
- **Default value**: `true`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3378)
#### `true` (default):
```rust
@ -1888,13 +1888,13 @@ fn foo() -> usize {
}
```
## `type_punctuation_density` (tracking issue #3364)
## `type_punctuation_density`
Determines if `+` or `=` are wrapped in spaces in the punctuation of types
- **Default value**: `"Wide"`
- **Possible values**: `"Compressed"`, `"Wide"`
- **Stable**: No
- **Stable**: No (tracking issue: #3364)
#### `"Wide"` (default):
@ -1978,13 +1978,13 @@ fn main() {
}
```
## `format_doc_comments` (tracking issue #3348)
## `format_doc_comments`
Format doc comments.
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3348)
#### `false` (default):
@ -2029,13 +2029,13 @@ fn add_one(x: i32) -> i32 {
}
```
## `wrap_comments` (tracking issue #3347)
## `wrap_comments`
Break comments to fit on the line
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3347)
#### `false` (default):
@ -2053,13 +2053,13 @@ Break comments to fit on the line
// commodo consequat.
```
## `match_arm_blocks`` (tracking issue #3373)
## `match_arm_blocks`
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`
- **Stable**: No
- **Stable**: No (tracking issue: #3373)
#### `true` (default):
@ -2088,7 +2088,7 @@ fn main() {
See also: [`match_block_trailing_comma`](#match_block_trailing_comma).
## `overflow_delimited_expr` (tracking issue #3370)
## `overflow_delimited_expr`
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)
@ -2096,7 +2096,7 @@ instead of being indented on a new line.
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3370)
#### `false` (default):
@ -2171,14 +2171,14 @@ fn example() {
}
```
## `blank_lines_upper_bound` (tracking issue #3381)
## `blank_lines_upper_bound`
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**: *unsigned integer*
- **Stable**: No
- **Stable**: No (tracking issue: #3381)
### Example
Original Code:
@ -2230,14 +2230,14 @@ fn bar() {
See also: [`blank_lines_lower_bound`](#blank_lines_lower_bound)
## `blank_lines_lower_bound` (tracking issue #3382)
## `blank_lines_lower_bound`
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*
- **Stable**: No
- **Stable**: No (tracking issue: #3382)
### Example
Original Code (rustfmt will not change it with the default value of `0`):
@ -2270,46 +2270,46 @@ fn bar() {
```
## `required_version` (tracking issue #3386)
## `required_version`
Require a specific version of rustfmt. If you want to make sure that the
specific version of rustfmt is used in your CI, use this option.
- **Default value**: `CARGO_PKG_VERSION`
- **Possible values**: any published version (e.g. `"0.3.8"`)
- **Stable**: No
- **Stable**: No (tracking issue: #3386)
## `hide_parse_errors` (tracking issue #3390)
## `hide_parse_errors`
Do not show parse errors if the parser failed to parse files.
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3390)
## `color` (tracking issue #3385)
## `color`
Whether to use colored output or not.
- **Default value**: `"Auto"`
- **Possible values**: "Auto", "Always", "Never"
- **Stable**: No
- **Stable**: No (tracking issue: #3385)
## `unstable_features` (tracking issue #3387)
## `unstable_features`
Enable unstable features on the unstable channel.
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3387)
## `license_template_path` (tracking issue #3352)
## `license_template_path`
Check whether beginnings of files match a license template.
- **Default value**: `""``
- **Default value**: `""`
- **Possible values**: path to a license template file
- **Stable**: No
- **Stable**: No (tracking issue: #3352)
A license template is a plain text file which is matched literally against the
beginning of each source file, except for `{}`-delimited blocks, which are
@ -2323,13 +2323,13 @@ Copyright 2018 The Rust Project Developers.`, etc.:
`\{`, `\}` and `\\` match literal braces / backslashes.
## `ignore` (tracking issue #3395)
## `ignore`
Skip formatting the specified files and directories.
- **Default value**: format every files
- **Possible values**: See an example below
- **Stable**: No
- **Stable**: No (tracking issue: #3395)
### Example
@ -2366,7 +2366,7 @@ If you want to format code that requires edition 2018, add the following to your
edition = "2018"
```
## `version` (tracking issue #3383)
## `version`
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
@ -2374,7 +2374,7 @@ version number.
- **Default value**: `One`
- **Possible values**: `One`, `Two`
- **Stable**: No
- **Stable**: No (tracking issue: #3383)
### Example
@ -2382,13 +2382,13 @@ version number.
version = "Two"
```
## `normalize_doc_attributes` (tracking issue #3351)
## `normalize_doc_attributes`
Convert `#![doc]` and `#[doc]` attributes to `//!` and `///` doc comments.
- **Default value**: `false`
- **Possible values**: `true`, `false`
- **Stable**: No
- **Stable**: No (tracking issue: #3351)
#### `false` (default):
@ -2408,10 +2408,10 @@ pub enum Foo {}
pub enum Foo {}
```
## `emit_mode` (tracking issue #3399)
## `emit_mode`
Internal option
## `make_backup` (tracking issue #3400)
## `make_backup`
Internal option, use `--backup`