Read rustfmt.toml TOML file

Dependencies

Using the toml crate.

examples/read-rustfmt-toml/Cargo.toml

[package]
name = "read-rustfmt-toml"
version = "0.1.0"
edition = "2021"

# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

[dependencies]
toml = "0.8.12"

examples/read-rustfmt-toml/src/main.rs

use toml::Table;

fn main() {
    let filename = "sample-rustfmt.toml";
    let content = std::fs::read_to_string(filename).unwrap();

    let table = content.parse::<Table>().unwrap();
    //println!("{}", value);
    for row in table.iter() {
        println!("key: {:30} value: {}", row.0, row.1);
    }
}

examples/read-rustfmt-toml/sample-rustfmt.toml

ignore = []
hard_tabs = false
tab_spaces = 4
newline_style = "Auto"
indent_style = "Block"

max_width = 100 # This is number of characters.
# `use_small_heuristics` is ignored if the granular width config values are explicitly set.
use_small_heuristics = "Max"    # "Max" == All granular width settings same as `max_width`.
# # Granular width configuration settings. These are percentages of `max_width`.
# fn_call_width = 60
# attr_fn_like_width = 70
# struct_lit_width = 18
# struct_variant_width = 35
# array_width = 60
# chain_width = 60
# single_line_if_else_max_width = 50

wrap_comments = false
format_code_in_doc_comments = false
comment_width = 100             # Default 80
normalize_comments = false
normalize_doc_attributes = false
format_strings = false
format_macro_matchers = false
format_macro_bodies = true
hex_literal_case = "Preserve"
empty_item_single_line = true
struct_lit_single_line = true
fn_single_line = true           # Default false
where_single_line = false
imports_indent = "Block"
imports_layout = "Mixed"
imports_granularity = "Module"     # Default "Preserve"
group_imports = "StdExternalCrate" # Default "Preserve"
reorder_imports = true
reorder_modules = true
reorder_impl_items = false
type_punctuation_density = "Wide"
space_before_colon = false
space_after_colon = true
spaces_around_ranges = false
binop_separator = "Front"
remove_nested_parens = true
combine_control_expr = true
overflow_delimited_expr = false
struct_field_align_threshold = 0
enum_discrim_align_threshold = 0
match_arm_blocks = false        # Default true
match_arm_leading_pipes = "Never"
force_multiline_blocks = false
fn_params_layout = "Tall"
brace_style = "SameLineWhere"
control_brace_style = "AlwaysSameLine"
trailing_semicolon = true
trailing_comma = "Vertical"
match_block_trailing_comma = false
blank_lines_upper_bound = 1
blank_lines_lower_bound = 0
edition = "2021"
version = "One"
inline_attribute_width = 0
format_generated_files = true
merge_derives = true
use_try_shorthand = false
use_field_init_shorthand = false
force_explicit_abi = true
condense_wildcard_suffixes = false
color = "Auto"
unstable_features = false
disable_all_formatting = false
skip_children = false
hide_parse_errors = false
error_on_line_overflow = false
error_on_unformatted = false
emit_mode = "Files"
make_backup = false