Make arg eval lazy, remove old arg evaluation code (#3603)

* Remove old argument eval

* Merge main

* fmt

* clippy

* clippy

* clippy

crates/nu-command/src/commands/date/format.rs

@@ -44,7 +44,6 @@ impl WholeStreamCommand for Date {
 
 pub fn format(args: CommandArgs) -> Result<OutputStream, ShellError> {
     let tag = args.call_info.name_tag.clone();
-    let args = args.evaluate_once()?;
 
     let format: Tagged<String> = args.req(0)?;
     let table: Option<bool> = args.get_flag("table")?;

crates/nu-command/src/commands/date/list_timezone.rs

@@ -41,8 +41,7 @@ impl WholeStreamCommand for Date {
 }
 
 fn list_timezone(args: CommandArgs) -> Result<OutputStream, ShellError> {
-    let args = args.evaluate_once()?;
-    let tag = args.call_info.name_tag.clone();
+    let tag = args.call_info.name_tag;
 
     let list = TZ_VARIANTS.iter().map(move |tz| {
         let mut entries = IndexMap::new();

crates/nu-command/src/commands/date/now.rs

@@ -31,8 +31,6 @@ pub fn date_now(tag: &Tag) -> Value {
 }
 
 pub fn now(args: CommandArgs) -> Result<OutputStream, ShellError> {
-    let args = args.evaluate_once()?;
-
     let value = date_now(&args.call_info.name_tag);
 
     Ok(OutputStream::one(value))

crates/nu-command/src/commands/date/to_table.rs

@@ -34,7 +34,6 @@ impl WholeStreamCommand for Date {
 }
 
 fn to_table(args: CommandArgs) -> Result<OutputStream, ShellError> {
-    let args = args.evaluate_once()?;
     let tag = args.call_info.name_tag.clone();
     let input = if args.input.is_empty() {
         InputStream::one(crate::commands::date::now::date_now(&tag))

crates/nu-command/src/commands/date/to_timezone.rs

@@ -55,7 +55,6 @@ impl WholeStreamCommand for Date {
 
 fn to_timezone(args: CommandArgs) -> Result<OutputStream, ShellError> {
     let tag = args.call_info.name_tag.clone();
-    let args = args.evaluate_once()?;
 
     let timezone: Tagged<String> = args.req(0)?;