Struct clap::Error[][src]

pub struct Error {
    pub message: String,
    pub kind: ErrorKind,
    pub info: Option<Vec<String>>,
}
Expand description

Command Line Argument Parser Error

Fields

message: String

Formatted error message

kind: ErrorKind

The type of error

info: Option<Vec<String>>

Any additional information passed along, such as the argument name that caused the error

Implementations

Should the message be written to stdout or not

Prints the error message and exits. If Error::use_stderr evaluates to true, the message will be written to stderr and exits with a status of 1. Otherwise, stdout is used with a status of 0.

Create an error with a custom description.

This can be used in combination with Error::exit to exit your program with a custom error message.

Trait Implementations

Formats the value using the given formatter. Read more

Formats the value using the given formatter. Read more

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

The lower-level source of this error, if any. Read more

🔬 This is a nightly-only experimental API. (backtrace)

Returns a stack backtrace, if available, of where this error occurred. Read more

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

Performs the conversion.

Performs the conversion.

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Performs the conversion.

Performs the conversion.

Converts the given value to a String. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.