use alloc::string::String;
use core::fmt::Write;
pub fn dot_escape(os: &mut String, s: &str) {
os.push('"');
for c in s.chars() {
match c {
'"' => os.push_str("\\\""),
'\\' => os.push_str("\\\\"),
'\n' => os.push_str("\\n"),
'<' => os.push_str("\\<"),
'>' => os.push_str("\\>"),
'{' => os.push_str("\\{"),
'}' => os.push_str("\\}"),
'|' => os.push_str("\\|"),
_ => os.push(c),
}
}
os.push('"');
}