Struct Styles

pub struct Styles { /* private fields */ }

Terminal styling definitions

See also Command::styles.

Example

clap v3 styling

let styles = Styles::styled()
    .header(AnsiColor::Yellow.on_default())
    .usage(AnsiColor::Green.on_default())
    .literal(AnsiColor::Green.on_default())
    .placeholder(AnsiColor::Green.on_default());

Implementations

impl Styles

pub const fn plain() -> Self

No terminal styling

pub const fn styled() -> Self

Default terminal styling

pub const fn header(self, style: Style) -> Self

General Heading style, e.g. help_heading

pub const fn error(self, style: Style) -> Self

Error heading

pub const fn usage(self, style: Style) -> Self

Usage heading

pub const fn literal(self, style: Style) -> Self

Literal command-line syntax, e.g. --help

pub const fn placeholder(self, style: Style) -> Self

Descriptions within command-line syntax, e.g. value_name

pub const fn valid(self, style: Style) -> Self

Highlight suggested usage

pub const fn invalid(self, style: Style) -> Self

Highlight invalid usage

impl Styles

Reflection

pub const fn get_header(&self) -> &Style

General Heading style, e.g. help_heading

pub const fn get_error(&self) -> &Style

Error heading

pub const fn get_usage(&self) -> &Style

Usage heading

pub const fn get_literal(&self) -> &Style

Literal command-line syntax, e.g. --help

pub const fn get_placeholder(&self) -> &Style

Descriptions within command-line syntax, e.g. value_name

pub const fn get_valid(&self) -> &Style

Highlight suggested usage

pub const fn get_invalid(&self) -> &Style

Highlight invalid usage

Trait Implementations

impl Clone for Styles

fn clone(&self) -> Styles

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Styles

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for &Styles

fn default() -> Self

Returns the “default value” for a type.

impl Default for Styles

fn default() -> Self

Returns the “default value” for a type.