Method insert

prqlc/prqlc/src/semantic/module.rs:68–83

(&mut self, fq_ident: Ident, decl: Decl)

    }

    pub fn insert(&mut self, fq_ident: Ident, decl: Decl) -> Result<Option<Decl>, Error> {
        if fq_ident.path.is_empty() {
            Ok(self.names.insert(fq_ident.name, decl))
        } else {
            let (top_level, remaining) = fq_ident.pop_front();
            let entry = self.names.entry(top_level).or_default();

            if let DeclKind::Module(inner) = &mut entry.kind {
                inner.insert(remaining.unwrap(), decl)
            } else {
                Err(Error::new_simple(
                    "path does not resolve to a module or a table",
                ))
            }
        }
    }

    pub fn get_mut(&mut self, ident: &Ident) -> Option<&mut Decl> {
        let mut ns = self;