Enum UsageErrorKind 

pub enum UsageErrorKind {
    Generic,
    InvalidBind {
        value: String,
    },
    MissingFlagValue {
        flag: String,
    },
    InvalidViewer {
        value: String,
    },
    InvalidWyvernViewerEnv {
        value: String,
    },
    InvalidWyvernViewerUnicode,
    UnknownSubcommand {
        domain: BuiltinDomain,
        token: String,
    },
    MissingExtensionId,
}

Host-flag / env usage failure kind for structured stderr recovery (RBP-F009).

Variants

Generic

Generic argv/input usage (empty stdin, too many args, etc.).

InvalidBind

--bind value failed to parse as a socket address.

Fields

value: String

Raw --bind token from argv.

MissingFlagValue

A host flag was given without a following value.

Fields

flag: String

Flag name (e.g. --bind).

InvalidViewer

--viewer value was not a known viewer mode.

Fields

value: String

Raw --viewer token from argv.

InvalidWyvernViewerEnv

WYVERN_VIEWER is set but not a valid viewer mode (RSH-010).

Fields

value: String

Raw env var value.

InvalidWyvernViewerUnicode

WYVERN_VIEWER is not valid Unicode.

UnknownSubcommand

Unknown subcommand on a built-in family (browsers, extensions).

Fields

domain: BuiltinDomain

Built-in family that rejected the token.

token: String

Offending subcommand token.

MissingExtensionId

extensions show was invoked without a usable extension id.

Trait Implementations

impl Clone for UsageErrorKind

fn clone(&self) -> UsageErrorKind

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for UsageErrorKind

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

Formats the value using the given formatter.

impl Eq for UsageErrorKind

impl PartialEq for UsageErrorKind

fn eq(&self, other: &UsageErrorKind) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for UsageErrorKind