Fix some nightly clippy warnings (#329)

Cargo.lock

@@ -156,9 +156,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.71"
+version = "1.0.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79c2681d6594606957bbb8631c4b90a7fcaaa72cdb714743a437b156d6a7eedd"
+checksum = "22a9137b95ea06864e018375b72adfb7db6e6f68cfc8df5a04d00288050485ee"
 
 [[package]]
 name = "cfg-if"
@@ -807,6 +807,7 @@ dependencies = [
  "nu-term-grid",
  "rand",
  "rayon",
+ "regex",
  "serde",
  "serde_urlencoded",
  "serde_yaml",
@@ -1227,7 +1228,7 @@ dependencies = [
 [[package]]
 name = "reedline"
 version = "0.2.0"
-source = "git+https://github.com/nushell/reedline?branch=main#1b244992981e392152b86ceed5c583c31150976c"
+source = "git+https://github.com/nushell/reedline?branch=main#c11aef2d9b4eaf0c762f1349f641534597815295"
 dependencies = [
  "chrono",
  "crossterm 0.22.1",

crates/nu-command/src/math/reducers.rs

@@ -98,11 +98,7 @@ pub fn sum(data: Vec<Value>, head: Span) -> Result<Value, ShellError> {
             | Value::Float { .. }
             | Value::Filesize { .. }
             | Value::Duration { .. } => {
-                let new_value = acc.add(head, value);
+                acc = acc.add(head, value)?;
-                if new_value.is_err() {
-                    return new_value;
-                }
-                acc = new_value.expect("This should never trigger")
             }
             other => {
                 return Err(ShellError::UnsupportedInput(
@@ -133,11 +129,7 @@ pub fn product(data: Vec<Value>, head: Span) -> Result<Value, ShellError> {
     for value in &data {
         match value {
             Value::Int { .. } | Value::Float { .. } => {
-                let new_value = acc.mul(head, value);
+                acc = acc.mul(head, value)?;
-                if new_value.is_err() {
-                    return new_value;
-                }
-                acc = new_value.expect("This should never trigger")
             }
             other => {
                 return Err(ShellError::UnsupportedInput(

crates/nu-engine/src/documentation.rs

@@ -4,6 +4,7 @@ use std::collections::HashMap;
 
 const COMMANDS_DOCS_DIR: &str = "docs/commands";
 
+#[derive(Default)]
 pub struct DocumentationConfig {
     no_subcommands: bool,
     //FIXME: add back in color support
@@ -12,16 +13,6 @@ pub struct DocumentationConfig {
     brief: bool,
 }
 
-impl Default for DocumentationConfig {
-    fn default() -> Self {
-        DocumentationConfig {
-            no_subcommands: false,
-            no_color: false,
-            brief: false,
-        }
-    }
-}
-
 fn generate_doc(name: &str, engine_state: &EngineState) -> (Vec<String>, Vec<Value>) {
     let mut cols = vec![];
     let mut vals = vec![];

crates/nu-parser/src/lib.rs

@@ -13,7 +13,7 @@ pub use lite_parse::{lite_parse, LiteBlock};
 pub use parse_keywords::{
     parse_alias, parse_def, parse_def_predecl, parse_let, parse_module, parse_use,
 };
-pub use parser::{find_captures_in_expr, parse, Import, VarDecl};
+pub use parser::{find_captures_in_expr, parse, Import};
 
 #[cfg(feature = "plugin")]
 pub use parse_keywords::parse_plugin;

crates/nu-parser/src/parser.rs

@@ -24,12 +24,6 @@ use crate::parse_keywords::parse_plugin;
 #[derive(Debug, Clone)]
 pub enum Import {}
 
-#[derive(Debug, Clone)]
-pub struct VarDecl {
-    var_id: VarId,
-    expression: Expression,
-}
-
 pub fn garbage(span: Span) -> Expression {
     Expression::garbage(span)
 }
@@ -271,7 +265,7 @@ fn parse_short_flags(
                         error = error.or_else(|| {
                             Some(ParseError::UnknownFlag(
                                 sig.name.clone(),
-                                format!("-{}", String::from_utf8_lossy(contents).to_string()),
+                                format!("-{}", String::from_utf8_lossy(contents)),
                                 *first,
                             ))
                         });
@@ -281,7 +275,7 @@ fn parse_short_flags(
                     error = error.or_else(|| {
                         Some(ParseError::UnknownFlag(
                             sig.name.clone(),
-                            format!("-{}", String::from_utf8_lossy(contents).to_string()),
+                            format!("-{}", String::from_utf8_lossy(contents)),
                             *first,
                         ))
                     });
@@ -291,7 +285,7 @@ fn parse_short_flags(
                 error = error.or_else(|| {
                     Some(ParseError::UnknownFlag(
                         sig.name.clone(),
-                        format!("-{}", String::from_utf8_lossy(contents).to_string()),
+                        format!("-{}", String::from_utf8_lossy(contents)),
                         *first,
                     ))
                 });
@@ -302,7 +296,7 @@ fn parse_short_flags(
                 error = error.or_else(|| {
                     Some(ParseError::UnknownFlag(
                         sig.name.clone(),
-                        format!("-{}", String::from_utf8_lossy(contents).to_string()),
+                        format!("-{}", String::from_utf8_lossy(contents)),
                         *first,
                     ))
                 });