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use crate::{api::ManagedTypeApi, signal_arg_de_error, ArgId, DynArgInput};
use elrond_codec::*;
pub trait DynArg: Sized {
fn dyn_load<I: DynArgInput>(loader: &mut I, arg_id: ArgId) -> Self;
}
impl<T> DynArg for T
where
T: TopEncode + TopDecode,
{
fn dyn_load<I: DynArgInput>(loader: &mut I, arg_id: ArgId) -> Self {
if let TypeInfo::Unit = <T as TopDecode>::TYPE_INFO {
let cast_unit: T = unsafe { core::mem::transmute_copy(&()) };
return cast_unit;
}
let arg_input = loader.next_arg_input();
T::top_decode_or_exit(arg_input, arg_id, dyn_load_exit::<I::ManagedTypeErrorApi>)
}
}
#[inline(always)]
fn dyn_load_exit<EA>(arg_id: ArgId, de_err: DecodeError) -> !
where
EA: ManagedTypeApi,
{
signal_arg_de_error::<EA>(arg_id, de_err)
}