ruby_inflector 0.0.10

Adds String based inflections for Rust. Snake, kebab, camel, sentence, class, title and table cases as well as ordinalize, deordinalize, demodulize, foreign key, and pluralize/singularize are supported as both traits and pure functions acting on String types. Intended to emulate the behavior of ActiveSupport::Inflector in Ruby as closely as possible. https://api.rubyonrails.org/classes/ActiveSupport/Inflector.html
Documentation 
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use std::collections::HashSet;

use crate::case::class::to_class_case;

/// Deconstantizes a `&str`
///
/// ```
/// use ruby_inflector::string::deconstantize::deconstantize;
/// let mock_string: &str = "Bar";
/// let expected_string: String = "".to_owned();
/// let asserted_string: String = deconstantize(mock_string);
/// assert!(asserted_string == expected_string);
///
/// ```
/// ```
/// use ruby_inflector::string::deconstantize::deconstantize;
/// let mock_string: &str = "::Bar";
/// let expected_string: String = "".to_owned();
/// let asserted_string: String = deconstantize(mock_string);
/// assert!(asserted_string == expected_string);
///
/// ```
/// ```
/// use ruby_inflector::string::deconstantize::deconstantize;
/// let mock_string: &str = "Foo::Bar";
/// let expected_string: String = "Foo".to_owned();
/// let asserted_string: String = deconstantize(mock_string);
/// assert!(asserted_string == expected_string);
///
/// ```
/// ```
/// use ruby_inflector::string::deconstantize::deconstantize;
/// let mock_string: &str = "Test::Foo::Bar";
/// let expected_string: String = "Foo".to_owned();
/// let asserted_string: String = deconstantize(mock_string);
/// assert!(asserted_string == expected_string);
///
/// ```
pub fn deconstantize(non_deconstantized_string: &str) -> String {
    if non_deconstantized_string.contains("::") {
        let split_string: Vec<&str> = non_deconstantized_string.split("::").collect();
        if split_string.len() > 1 {
            to_class_case(split_string[split_string.len() - 2], &HashSet::new())
        } else {
            "".to_owned()
        }
    } else {
        "".to_owned()
    }
}