Method opt_string

src/testdrive/src/parser.rs:810–812

(&mut self, name: &str)

    }

    pub fn opt_string(&mut self, name: &str) -> Option<String> {
        self.0.remove(name)
    }

    pub fn string(&mut self, name: &str) -> Result<String, anyhow::Error> {
        self.opt_string(name)