Enum Message 

pub(crate) enum Message {
    NoEnv(&'static str),
    ParseSome(&'static str),
    ParseFail(&'static str),
    PureFailed(String),
    Missing(Vec<MissingItem>),
    ParseFailure(ParseFailure),
    StrictPos(usize, Metavar),
    NonStrictPos(usize, Metavar),
    ParseFailed(Option<usize>, String),
    GuardFailed(Option<usize>, &'static str),
    NoArgument(usize, Metavar),
    Unconsumed(usize),
    Ambiguity(usize, String),
    Suggestion(usize, Suggestion),
    Conflict(usize, usize),
    Expected(Vec<Item>, Option<usize>),
    OnlyOnce(usize, usize),
}

Variants

NoEnv(&'static str)

Tried to consume an env variable with no fallback, variable was not set

ParseSome(&'static str)

User specified an error message on some

ParseFail(&'static str)

User asked for parser to fail explicitly

PureFailed(String)

pure_with failed to parse a value

Missing(Vec<MissingItem>)

Expected one of those values

Used internally to generate better error messages

ParseFailure(ParseFailure)

Parsing failed and this is the final output

StrictPos(usize, Metavar)

Tried to consume a strict positional argument, value was present but was not strictly positional

NonStrictPos(usize, Metavar)

Tried to consume a non-strict positional argument, but the value was strict

ParseFailed(Option<usize>, String)

Parser provided by user failed to parse a value

GuardFailed(Option<usize>, &'static str)

Parser provided by user failed to validate a value

NoArgument(usize, Metavar)

Argument requres a value but something else was passed, required: –foo given: –foo –bar –foo – bar –foo

Unconsumed(usize)

Parser is expected to consume all the things from the command line this item will contain an index of the unconsumed value

Ambiguity(usize, String)

argument is ambigoups - parser can accept it as both a set of flags and a short flag with no =

Suggestion(usize, Suggestion)

Suggested fixes for typos or missing input

Conflict(usize, usize)

Two arguments are mutually exclusive –release –dev

Expected(Vec<Item>, Option<usize>)

Expected one or more items in the scope, got someting else if any

OnlyOnce(usize, usize)

Parameter is accepted but only once

Implementations

impl Message

pub(crate) fn can_catch(&self) -> bool

impl Message

pub(crate) fn combine_with(self, other: Self) -> Self

impl Message

pub(crate) fn render(self, args: &State, meta: &Meta) -> ParseFailure

Trait Implementations

impl Debug for Message

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

Formats the value using the given formatter.