Enum ValueHint 

pub enum ValueHint {
    None,
    Any,
    File,
    Dir,
    Path,
    Command,
    Url,
    Choices(Vec<Choice>),
}

What an argument’s value is, for help hints and shell completion.

Variants

None

A flag: takes no value.

Any

Any value; completion offers nothing specific.

File

A file path.

Dir

A directory path.

Path

A file or directory path.

Command

A command name.

Url

A URL.

Choices(Vec<Choice>)

One of a fixed set of values.

Trait Implementations

impl Clone for ValueHint

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ValueHint

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

Formats the value using the given formatter.

impl Default for ValueHint

fn default() -> Self

Returns the “default value” for a type.

impl Eq for ValueHint

impl PartialEq for ValueHint

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ValueHint