fn fail(f: *Fetch, msg_tok: std.zig.Ast.TokenIndex, msg_str: u32) RunError
fn fail(f: *Fetch, msg_tok: std.zig.Ast.TokenIndex, msg_str: u32) RunError { const eb = &f.error_bundle; try eb.addRootErrorMessage(.{ .msg = msg_str, .src_loc = try f.srcLoc(msg_tok), }); return error.FetchFailed; }