rustyroad 1.7.3

Rusty Road is a framework written in Rust that is based on Ruby on Rails. It is designed to provide the familiar conventions and ease of use of Ruby on Rails, while also taking advantage of the performance and efficiency of Rust.
Documentation 
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//! Safe Rust and SQL identifiers.

/// Converts a database identifier to snake_case suitable for a Rust field.
pub(super) fn snake(name: &str) -> String {
    let mut output = String::new();
    let mut separator = false;

    for character in name.chars() {
        if character.is_ascii_alphanumeric() {
            if character.is_ascii_uppercase() && !output.is_empty() && !separator {
                output.push('_');
            }
            if separator && !output.is_empty() {
                output.push('_');
            }
            output.push(character.to_ascii_lowercase());
            separator = false;
        } else {
            separator = true;
        }
    }

    if output.is_empty() {
        output.push_str("field");
    }
    if output.starts_with(|character: char| character.is_ascii_digit()) {
        output.insert_str(0, "field_");
    }
    if keyword(&output) {
        output.push('_');
    }
    output
}

/// Converts a database identifier to PascalCase suitable for a Rust type.
pub(super) fn pascal(name: &str) -> String {
    let snake = snake(name);
    let mut output = String::new();
    for part in snake
        .trim_end_matches('_')
        .split('_')
        .filter(|part| !part.is_empty())
    {
        let mut characters = part.chars();
        if let Some(first) = characters.next() {
            output.extend(first.to_uppercase());
            output.push_str(characters.as_str());
        }
    }
    if output.is_empty() {
        output.push_str("Record");
    }
    output
}

/// Quotes a Postgres identifier, including embedded quote characters.
pub(super) fn sql(name: &str) -> String {
    format!("\"{}\"", name.replace('"', "\"\""))
}

/// Produces an escaped Rust string literal.
pub(super) fn literal(value: &str) -> String {
    format!("{value:?}")
}

fn keyword(value: &str) -> bool {
    matches!(
        value,
        "as" | "async"
            | "await"
            | "break"
            | "const"
            | "continue"
            | "crate"
            | "dyn"
            | "else"
            | "enum"
            | "extern"
            | "false"
            | "fn"
            | "for"
            | "if"
            | "impl"
            | "in"
            | "let"
            | "loop"
            | "match"
            | "mod"
            | "move"
            | "mut"
            | "pub"
            | "ref"
            | "return"
            | "self"
            | "Self"
            | "static"
            | "struct"
            | "super"
            | "trait"
            | "true"
            | "type"
            | "unsafe"
            | "use"
            | "where"
            | "while"
            | "abstract"
            | "become"
            | "box"
            | "do"
            | "final"
            | "macro"
            | "override"
            | "priv"
            | "typeof"
            | "unsized"
            | "virtual"
            | "yield"
            | "try"
    )
}