Enum ArgValidator 

pub enum ArgValidator {
    ExactArgs(usize),
    MinimumArgs(usize),
    MaximumArgs(usize),
    RangeArgs(usize, usize),
    OnlyValidArgs(Vec<String>),
    Custom(Arc<ValidatorFn>),
}

Defines validation rules for command arguments

Variants

ExactArgs(usize)

Exactly N arguments required

MinimumArgs(usize)

At least N arguments required

MaximumArgs(usize)

At most N arguments allowed

RangeArgs(usize, usize)

Between min and max arguments (inclusive)

OnlyValidArgs(Vec<String>)

Arguments must be in the valid args list

Custom(Arc<ValidatorFn>)

Custom validation function

Implementations

impl ArgValidator

pub fn validate(&self, args: &[String]) -> Result<()>

Validates the given arguments against this validator

Trait Implementations

impl Clone for ArgValidator

fn clone(&self) -> ArgValidator

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ArgValidator

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

Formats the value using the given formatter.