Alias the crate into the extern prelude.

See: rust-lang/rust#54647
See: rust-lang/rust#55275

Author: artob

Diff for: lib/protoflow/src/blocks/const.rs

@@ -1,7 +1,5 @@
 // This is free and unencumbered software released into the public domain.
 
-use crate as protoflow;
-
 use protoflow::derive::Block;
 use protoflow::{Block, BlockError, BlockRuntime, Message, OutputPort};
 

Diff for: lib/protoflow/src/blocks/count.rs

@@ -1,7 +1,5 @@
 // This is free and unencumbered software released into the public domain.
 
-use crate as protoflow;
-
 use protoflow::derive::Block;
 use protoflow::{Block, BlockError, BlockRuntime, InputPort, Message, OutputPort, Port};
 

Diff for: lib/protoflow/src/blocks/delay.rs

@@ -1,7 +1,5 @@
 // This is free and unencumbered software released into the public domain.
 
-use crate as protoflow;
-
 use protoflow::derive::Block;
 use protoflow::{
     prelude::{Duration, Range},

Diff for: lib/protoflow/src/blocks/drop.rs

@@ -1,7 +1,5 @@
 // This is free and unencumbered software released into the public domain.
 
-use crate as protoflow;
-
 use protoflow::derive::Block;
 use protoflow::{Block, BlockError, BlockRuntime, InputPort, Message};
 

Diff for: lib/protoflow/src/blocks/random.rs

@@ -1,7 +1,5 @@
 // This is free and unencumbered software released into the public domain.
 
-use crate as protoflow;
-
 use protoflow::derive::Block;
 use protoflow::{Block, BlockError, BlockRuntime, Message, OutputPort};
 

Diff for: lib/protoflow/src/lib.rs

@@ -2,6 +2,8 @@
 
 #![no_std]
 
+extern crate self as protoflow;
+
 #[doc(hidden)]
 pub mod prelude;