cynic-parser 0.4.5

A fast, correct and easy to use GraphQL parser
Documentation 
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use std::fmt::Write;

mod display;
mod indent;

#[cfg(feature = "pretty")]
mod pretty;

fn escape_string(src: &str) -> String {
    let mut dest = String::with_capacity(src.len());

    for character in src.chars() {
        match character {
            '"' | '\\' | '\n' | '\r' | '\t' => {
                dest.extend(character.escape_default());
            }
            other if other.is_control() => {
                write!(&mut dest, "\\u{:04}", other as u32).ok();
            }
            _ => dest.push(character),
        }
    }

    dest
}