#[repr(C)]
#[derive(Debug, Clone)]
pub struct RocFunction_84 {
    closure_data: roc_std::RocList<u8>,
}

impl RocFunction_84 {
    pub fn force_thunk(mut self, arg0: ()) -> roc_std::RocStr {
        extern "C" {
            fn roc__mainForHost_3_caller(
                arg0: *const (),
                closure_data: *mut u8,
                output: *mut roc_std::RocStr,
            );
        }

        let mut output = std::mem::MaybeUninit::uninit();
        let ptr = &mut self.closure_data as *mut _ as *mut u8;

        unsafe { roc__mainForHost_3_caller(&arg0, ptr, output.as_mut_ptr()) };

        // ownership of the closure is transferred back to roc
        core::mem::forget(self.closure_data);

        unsafe { output.assume_init() }
    }
}

pub fn mainForHost(arg0: roc_std::RocStr) -> RocFunction_84 {
    extern "C" {
        fn roc__mainForHost_1_exposed_generic(_: *mut RocFunction_84, _: roc_std::RocStr);
    }

    let mut ret = std::mem::MaybeUninit::uninit();

    unsafe { roc__mainForHost_1_exposed_generic(ret.as_mut_ptr(), arg0) };

    unsafe { ret.assume_init() }
}

Undefined symbols for architecture arm64:
  "_roc__mainForHost_3_caller", referenced from:
      __ZN4host14RocFunction_8411force_thunk17hb922055437fe1593E in macos-arm64.o
ld: symbol(s) not found for architecture arm64