Fixed warnings (#3345)

substrate/core/cli/src/params.rs

@@ -20,6 +20,8 @@ use std::path::PathBuf;
 use structopt::{StructOpt, clap::{arg_enum, _clap_count_exprs, App, AppSettings, SubCommand, Arg}};
 use client;
 
+pub use crate::execution_strategy::ExecutionStrategy;
+
 /// Auxiliary macro to implement `GetLogFilter` for all types that have the `shared_params` field.
 macro_rules! impl_get_log_filter {
 	( $type:ident ) => {
@@ -31,22 +33,6 @@ macro_rules! impl_get_log_filter {
 	}
 }
 
-arg_enum! {
-	/// How to execute blocks
-	#[allow(missing_docs)]
-	#[derive(Debug, Clone, Copy)]
-	pub enum ExecutionStrategy {
-		// Execute with native build (if available, WebAssembly otherwise).
-		Native,
-		// Only execute with the WebAssembly build.
-		Wasm,
-		// Execute with both native (where available) and WebAssembly builds.
-		Both,
-		// Execute with the native build if possible; if it fails, then execute with WebAssembly.
-		NativeElseWasm,
-	}
-}
-
 impl Into<client::ExecutionStrategy> for ExecutionStrategy {
 	fn into(self) -> client::ExecutionStrategy {
 		match self {