Struct Context 

pub struct Context { /* private fields */ }

A parsing context.

This is created by Larpa when one of the entry points of the Command trait is invoked by the user, and updated as arguments are parsed.

Some built-in types like Color and Verbosity will be stored in the Context when they are encountered on the command line, and can be fetched from user-defined callbacks when desired.

Implementations

impl Context

pub fn color(&self) -> Color

Returns the current Color preference.

If an argument is declared with type Color, any time it is encountered on the command line, this value is set to the value on the command line.

pub fn verbosity(&self) -> Verbosity

Returns the current Verbosity level.

If a flag is declared with type Verbosity, and time it (or its inverse_of) is encountered on the command line, the field value is incremented (or decremented) and stored in the Context.

pub fn command_desc(&self) -> &CommandDesc

Returns the CommandDesc of the subcommand currently being parsed.

Trait Implementations

impl Clone for Context

fn clone(&self) -> Context

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Context

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

Formats the value using the given formatter.