remove ConstParamTy

Author: zhenfeizhang

eth-types/src/evm_types.rs

@@ -1,7 +1,7 @@
 //! Evm types needed for parsing instruction sets as well
 
 use serde::{Deserialize, Serialize};
-use std::{fmt, marker::ConstParamTy};
+use std::fmt;
 
 pub mod block_utils;
 pub mod gas_utils;
@@ -105,7 +105,7 @@ mod gas_create {
 pub use gas_create::*;
 
 /// Defines the gas consumption.
-#[derive(Clone, Copy, Eq, PartialEq, PartialOrd, Ord, Serialize, Deserialize, ConstParamTy)]
+#[derive(Clone, Copy, Eq, PartialEq, PartialOrd, Ord, Serialize, Deserialize)]
 pub struct GasCost(pub u64);
 
 impl fmt::Debug for GasCost {

eth-types/src/lib.rs

@@ -11,7 +11,6 @@
 //#![deny(unsafe_code)] Allowed now until we find a
 // better way to handle downcasting from Operation into it's variants.
 #![allow(clippy::upper_case_acronyms)] // Too pedantic
-#![feature(adt_const_params)]
 
 #[macro_use]
 pub mod macros;