use zed_extension_api::{self as zed, LanguageServerId, Result}; pub struct ErlangLs; impl ErlangLs { pub const LANGUAGE_SERVER_ID: &'static str = "erlang-ls"; pub fn new() -> Self { Self } pub fn language_server_binary_path( &mut self, _language_server_id: &LanguageServerId, worktree: &zed::Worktree, ) -> Result { worktree .which("erlang_ls") .ok_or_else(|| "erlang_ls must be installed and available on your $PATH".to_string()) } }