Fix some warnings

reid/src/codegen.rs

@@ -68,24 +68,6 @@ pub enum StackValueKind {
     Any(InstructionValue),
 }
 
-impl StackValueKind {
-    unsafe fn get_instr(&self) -> &InstructionValue {
-        match self {
-            StackValueKind::Immutable(val) => val,
-            StackValueKind::Mutable(val) => val,
-            StackValueKind::Any(val) => val,
-        }
-    }
-
-    fn with_instr(&self, instr: InstructionValue) -> StackValueKind {
-        match self {
-            StackValueKind::Immutable(_) => StackValueKind::Immutable(instr),
-            StackValueKind::Mutable(_) => StackValueKind::Mutable(instr),
-            StackValueKind::Any(_) => StackValueKind::Any(instr),
-        }
-    }
-}
-
 impl<'ctx, 'a> Scope<'ctx, 'a> {
     fn with_block(&self, block: Block<'ctx>) -> Scope<'ctx, 'a> {
         Scope {

reid/src/mir/impl.rs

@@ -1,8 +1,4 @@
-use super::{
-    typecheck::ErrorKind,
-    typerefs::{ScopeTypeRefs, TypeRef, TypeRefs},
-    VagueType as Vague, *,
-};
+use super::{typecheck::ErrorKind, typerefs::TypeRefs, VagueType as Vague, *};
 
 #[derive(Debug, Clone)]
 pub enum ReturnTypeOther {

reid/src/mir/linker.rs

@@ -2,7 +2,6 @@ use std::{
     cell::RefCell,
     collections::HashMap,
     convert::Infallible,
-    fmt::Error,
     fs::{self},
     path::PathBuf,
     rc::Rc,

reid/src/mir/typecheck.rs

@@ -6,7 +6,7 @@ use crate::{mir::*, util::try_all};
 use VagueType as Vague;
 
 use super::{
-    pass::{Pass, PassState, ScopeFunction, ScopeVariable, Storage},
+    pass::{Pass, PassState, ScopeFunction, ScopeVariable},
     typerefs::TypeRefs,
 };
 

reid/src/token_stream.rs

@@ -162,13 +162,6 @@ impl<'a, 'b> TokenStream<'a, 'b> {
             end: self.position,
         })
     }
-
-    pub fn get_one_token_range(&self) -> TokenRange {
-        TokenRange {
-            start: self.position - 1,
-            end: self.position,
-        }
-    }
 }
 
 impl Drop for TokenStream<'_, '_> {