Enum ParameterHeadingStyle 

pub enum ParameterHeadingStyle {
    Display,
    Name,
    Custom(Arc<dyn Fn(&ParameterInfo) -> String + Send + Sync + 'static>),
}

Controls how detailed parameter headings are rendered.

Variants

Display

Render the full clap display form, such as ``### `-c , –config ```.

Name

Render the clap argument id, such as ### config.

Custom(Arc<dyn Fn(&ParameterInfo) -> String + Send + Sync + 'static>)

Render the parameter heading with a callback.

If the callback returns an empty string, the heading is skipped.

Implementations

impl ParameterHeadingStyle

pub fn custom( formatter: impl Fn(&ParameterInfo) -> String + Send + Sync + 'static, ) -> Self

Create a custom parameter heading callback.

pub fn render(&self, parameter: &ParameterInfo) -> String

Render a parameter heading for the given parameter.

Trait Implementations

impl Clone for ParameterHeadingStyle

fn clone(&self) -> ParameterHeadingStyle

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ParameterHeadingStyle

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

Formats the value using the given formatter.