Struct PositionFilter 

pub struct PositionFilter {
    pub positions: PositionRange,
    pub filter: CharacterFilter,
}

A filter that applies to specific character positions in a field

Fields

positions: PositionRange

Which positions this filter applies to

filter: CharacterFilter

What type of character filter to apply

Implementations

impl PositionFilter

pub fn new(positions: PositionRange, filter: CharacterFilter) -> PositionFilter

Create a new position filter

pub fn validate_position(&self, position: usize, character: char) -> bool

Validate a character at a specific position

pub fn error_message(&self, position: usize, character: char) -> Option<String>

Get error message for invalid character at position

Trait Implementations

impl Clone for PositionFilter

fn clone(&self) -> PositionFilter

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PositionFilter

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

Formats the value using the given formatter.