common: use prelude in all files

src/common/instructions.rs

@@ -1,9 +1,4 @@
-use crate::common::instructions::{
-    args::{ITypeArgs, RTypeArgs},
-    encode::Encode,
-    errors::InstructionDecodeError,
-    errors::RegisterParseError,
-};
+use crate::common::{instructions::encode::Encode, prelude::*};
 
 #[derive(Copy, Clone, Debug, PartialEq, Eq)]
 pub enum Interrupt {
@@ -408,3 +403,6 @@ impl TryFrom<u32> for Instruction {
 pub mod args;
 mod encode;
 pub mod errors;
+
+#[cfg(test)]
+mod tests;

src/common/instructions/args.rs

@@ -1,8 +1,7 @@
 //! Various types of arguments that instructions can take, alongside encoding and decoding logic.
 
-use crate::common::instructions::{RegisterParseError, encode::Encode};
-
-use super::Register;
+use crate::common::instructions::Encode;
+use crate::common::prelude::*;
 
 /// A list of errors that can be returned when decoding instruction arguments.
 #[derive(Debug)]

src/common/instructions/encode.rs

@@ -1,6 +1,4 @@
-use crate::common::instructions::Register;
-
-use super::Instruction;
+use crate::common::prelude::*;
 
 /// Not to be used directly, just call [`Instruction::encode`].
 pub trait Encode {

src/common/instructions/errors.rs

@@ -1,6 +1,6 @@
 //! All the errors that may be returned from [`instructions`].
 
-use super::args::ArgsDecodeError;
+use crate::common::prelude::*;
 
 #[derive(Debug)]
 /// Error type for parsing register numbers.

src/common/instructions/tests.rs

@@ -1,6 +1,4 @@
-use crate::common::instructions::args::{ITypeArgs, RTypeArgs};
-
-use super::instructions::*;
+use crate::common::prelude::*;
 
 #[test]
 fn test_opcode_nop() {

src/common/mod.rs

@@ -1,4 +1,8 @@
 pub mod instructions;
 
-#[cfg(test)]
-mod tests;
+pub mod prelude {
+    //! A collection of types you should definitely import when working with this crate.
+    pub use super::instructions::{
+        Address, Instruction, InstructionType, Interrupt, Register, args::*, errors::*,
+    };
+}

src/emulator/system/model.rs

@@ -1,4 +1,4 @@
-use crate::common::instructions::{Address, Interrupt, Register};
+use crate::common::prelude::*;
 
 #[derive(PartialEq, Eq, Debug, Clone, Copy)]
 pub enum Running {