.rustfmt.toml

required_version = "1.5.1"
unstable_features = true
edition = "2018"


max_width = 134
comment_width = 124

fn_args_layout = "Tall"
use_small_heuristics = "Default"

# Indentation:
newline_style = "Unix"
indent_style = "Visual" # Block
hard_tabs = true
tab_spaces = 3

# Strings and comments:
format_strings = false
normalize_comments = false # wrap_comments + normalize
wrap_comments = false

# Single line expressions and items:
empty_item_single_line = true   # Put empty-body functions and impls on a single line
struct_lit_single_line = true   # Put small struct literals on a single line
fn_single_line = true           # Put single-expression functions on a single line
where_single_line = true        # To force single line where layout
use_field_init_shorthand = true

# Imports:
imports_indent = "Visual"
imports_layout = "Mixed"

# Ordering:
reorder_imports = false    # Reorder import statements alphabetically
reorder_modules = false    # Reorder module statemtents alphabetically in group
reorder_impl_items = false

# Spaces around punctuation:
binop_separator = "Back"          # Front / Back : Where to put a binary operator when a binary expression goes multiline
type_punctuation_density = "Wide" # Wide / false : Determines if '+' or '=' are wrapped in spaces in the punctuation of types
space_before_colon = false        # Leave a space before the colon
space_after_colon = true          # Leave a space after the colon
spaces_around_ranges = false      # Put spaces around the  .. and ... range operators
match_arm_leading_pipes = "Never"

# Misc:
combine_control_expr = true            # Combine control expressions with function calls.
match_arm_blocks = true                # Wrap the body of arms in blocks when it does not fit on the same line with the pattern of arms
force_multiline_blocks = true          # Force multiline closure bodies and match arms to be wrapped in a block
brace_style = "PreferSameLine"         # ClosingNextLine? / PreferSameLine / AlwaysNextLine : Brace style for items
control_brace_style = "AlwaysSameLine" # AlwaysNextLine / AlwaysSameLine / ClosingNextLine : Brace style for control flow constructs
trailing_comma = "Vertical"            # How to handle trailing commas for lists
trailing_semicolon = true              # Add trailing semicolon after break, continue and return
match_block_trailing_comma = true      # Put a trailing comma after a block based match arm (non-block arms are not affected)
blank_lines_upper_bound = 2            # Maximum number of blank lines which can be put between items.
blank_lines_lower_bound = 0            # Minimum number of blank lines which must be put between items.

# Options that can change the source code beyond whitespace/blocks (somewhat linty things) :
merge_derives = true              # Merge multiple `#[derive(...)]` into a single one
use_try_shorthand = true          # Replace uses of the try! macro by the ? shorthand
condense_wildcard_suffixes = true # Replace strings of _ wildcards by a single .. in tuple patterns