Struct ErrorContext 

pub struct ErrorContext {
    pub command_path: Option<String>,
    pub usage: Option<String>,
    pub help_option_names: Vec<String>,
    pub color: Option<bool>,
}

Context information for error formatting.

This struct holds contextual information that can be attached to errors to provide better error messages and help hints.

Fields

command_path: Option<String>

The command path (e.g., “myapp subcommand”)

usage: Option<String>

The usage string for the command

help_option_names: Vec<String>

Available help option names (e.g., [“–help”, “-h”])

color: Option<bool>

Whether color output is enabled

Implementations

impl ErrorContext

pub fn new() -> Self

Create a new empty error context.

pub fn with_command_path(self, path: impl Into<String>) -> Self

Set the command path.

pub fn with_usage(self, usage: impl Into<String>) -> Self

Set the usage string.

pub fn with_help_options(self, options: Vec<String>) -> Self

Set the help option names.

pub fn help_hint(&self) -> Option<String>

Generate the “Try ‘COMMAND –help’ for help” hint.

Trait Implementations

impl Clone for ErrorContext

fn clone(&self) -> ErrorContext

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ErrorContext

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

Formats the value using the given formatter.

impl Default for ErrorContext

fn default() -> ErrorContext

Returns the “default value” for a type.