rustfst 0.5.0

Library for constructing, combining, optimizing, and searching weighted finite-state transducers (FSTs).
Documentation 
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use std::fmt::Display;

use failure::Fallible;

use crate::algorithms::{project, ProjectType};
use crate::fst_traits::{MutableFst, SerializableFst};
use crate::semirings::SerializableSemiring;
use crate::semirings::WeaklyDivisibleSemiring;
use crate::tests_openfst::FstTestData;

pub fn test_project_output<F>(test_data: &FstTestData<F>) -> Fallible<()>
where
    F: SerializableFst + MutableFst + Display,
    F::W: SerializableSemiring + WeaklyDivisibleSemiring,
{
    // Project output
    let mut fst_project_output = test_data.raw.clone();
    project(&mut fst_project_output, ProjectType::ProjectOutput);
    assert_eq!(
        test_data.project_output,
        fst_project_output,
        "{}",
        error_message_fst!(
            test_data.project_output,
            fst_project_output,
            "Project Output"
        )
    );
    Ok(())
}

pub fn test_project_input<F>(test_data: &FstTestData<F>) -> Fallible<()>
where
    F: SerializableFst + MutableFst + Display,
    F::W: SerializableSemiring + WeaklyDivisibleSemiring,
{
    // Project input
    let mut fst_project_input = test_data.raw.clone();
    project(&mut fst_project_input, ProjectType::ProjectInput);
    assert_eq!(
        test_data.project_input,
        fst_project_input,
        "{}",
        error_message_fst!(test_data.project_input, fst_project_input, "Project Input")
    );
    Ok(())
}