feat: remove let_chains feature

Author: tediou5

crates/pallet-domains/src/lib.rs

@@ -1,7 +1,7 @@
 //! Pallet Domains
 
 #![cfg_attr(not(feature = "std"), no_std)]
-#![feature(array_windows, let_chains, variant_count)]
+#![feature(array_windows, variant_count)]
 
 #[cfg(feature = "runtime-benchmarks")]
 mod benchmarking;

crates/pallet-subspace/src/lib.rs

@@ -1,6 +1,6 @@
 #![doc = include_str!("../README.md")]
 #![cfg_attr(not(feature = "std"), no_std)]
-#![feature(array_chunks, assert_matches, let_chains, portable_simd)]
+#![feature(array_chunks, assert_matches, portable_simd)]
 #![warn(unused_must_use, unsafe_code, unused_variables)]
 
 #[cfg(not(feature = "std"))]

crates/sc-consensus-subspace/src/lib.rs

@@ -6,7 +6,7 @@
 //!
 //! All of the modules here are crucial for consensus, open each module for specific details.
 
-#![feature(let_chains, try_blocks, duration_constructors_lite)]
+#![feature(try_blocks, duration_constructors_lite)]
 #![forbid(unsafe_code)]
 #![warn(missing_docs)]
 

crates/sc-proof-of-time/src/lib.rs

@@ -1,7 +1,5 @@
 //! Subspace proof of time implementation.
 
-#![feature(let_chains)]
-
 mod slots;
 pub mod source;
 pub mod verifier;

crates/sp-consensus-subspace/src/lib.rs

@@ -2,7 +2,6 @@
 
 #![forbid(unsafe_code, missing_docs)]
 #![cfg_attr(not(feature = "std"), no_std)]
-#![feature(let_chains)]
 
 extern crate alloc;
 

crates/subspace-farmer/src/lib.rs

@@ -10,7 +10,6 @@
     impl_trait_in_assoc_type,
     int_roundings,
     iter_collect_into,
-    let_chains,
     never_type,
     result_flattening,
     trait_alias,

crates/subspace-service/src/lib.rs

@@ -3,7 +3,6 @@
     duration_constructors_lite,
     impl_trait_in_assoc_type,
     int_roundings,
-    let_chains,
     type_alias_impl_trait,
     type_changing_struct_update
 )]

domains/client/block-builder/src/lib.rs

@@ -25,7 +25,6 @@
 //! initialize a block, to push extrinsics and to finalize a block.
 
 #![warn(missing_docs)]
-#![feature(let_chains)]
 
 mod custom_api;
 mod genesis_block_builder;

domains/client/block-preprocessor/src/lib.rs

@@ -9,7 +9,6 @@
 //! 5. Push back the potential new domain runtime extrisnic.
 
 #![warn(rust_2018_idioms)]
-#![feature(let_chains)]
 
 pub mod inherents;
 pub mod stateless_runtime;

domains/client/cross-domain-message-gossip/src/lib.rs

@@ -1,4 +1,3 @@
-#![feature(let_chains)]
 #![warn(rust_2018_idioms)]
 
 mod aux_schema;

domains/client/domain-operator/src/lib.rs

@@ -63,7 +63,6 @@
     assert_matches,
     box_into_inner,
     duration_constructors_lite,
-    let_chains,
     more_qualified_paths
 )]
 

domains/client/relayer/src/lib.rs

@@ -1,4 +1,3 @@
-#![feature(let_chains)]
 #![warn(rust_2018_idioms)]
 // TODO: Restore once https://github.com/rust-lang/rust/issues/122105 is resolved
 // #![deny(unused_crate_dependencies)]

domains/pallets/messenger/src/lib.rs

@@ -18,7 +18,7 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 #![forbid(unsafe_code)]
 #![warn(rust_2018_idioms)]
-#![feature(let_chains, variant_count, if_let_guard)]
+#![feature(variant_count, if_let_guard)]
 
 #[cfg(feature = "runtime-benchmarks")]
 mod benchmarking;

shared/subspace-data-retrieval/src/lib.rs

@@ -1,6 +1,6 @@
 //! Fetching data from the archived history of the Subspace Distributed Storage Network.
 
-#![feature(exact_size_is_empty, let_chains, trusted_len)]
+#![feature(exact_size_is_empty, trusted_len)]
 
 pub mod object_fetcher;
 pub mod piece_fetcher;