Struct UniqueNameGenerator 

pub struct UniqueNameGenerator { /* private fields */ }

Useful to generate a list of unique valid variable names

Implementations

impl UniqueNameGenerator

pub fn add_variable<'a>(&mut self, name: &'a str) -> Cow<'a, str>

Create a new variable. Returns a valid variable name, never returned before by this generator.

use lp_solvers::util::UniqueNameGenerator;

let mut gen = UniqueNameGenerator::default();
assert_eq!(gen.add_variable("x"), "x");
assert_eq!(gen.add_variable("y"), "y");
assert_eq!(gen.add_variable("z"), "z");
assert_eq!(gen.add_variable("!#?/"), "v"); // "!#?/" is not a valid variable name
assert_eq!(gen.add_variable("x"), "x2"); // A variable with name x is already present

Trait Implementations

impl Debug for UniqueNameGenerator

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

Formats the value using the given formatter.

impl Default for UniqueNameGenerator

fn default() -> UniqueNameGenerator

Returns the “default value” for a type.