small changes

clap_derive/examples/arg_enum.rs

@@ -15,7 +15,7 @@ enum ArgChoice {
     #[clap(alias = "b", alias = "z")]
     Baz,
     // Hiding variants from help and completion is supported
-    #[clap(hidden)]
+    #[clap(hidden = true)]
     Hidden,
 }
 

clap_derive/src/attrs.rs

@@ -308,8 +308,6 @@ impl Attrs {
                     self.push_method(ident, self.name.clone().translate(*self.env_casing));
                 }
 
-                Hidden(ident) => self.push_method(ident, true),
-
                 ArgEnum(_) => self.is_enum = true,
 
                 FromGlobal(ident) => {

clap_derive/src/derives/arg_enum.rs

@@ -102,10 +102,7 @@ fn lits(
 }
 
 fn gen_variants(lits: &[(TokenStream, Ident)]) -> TokenStream {
-    let lit = lits
-        .iter()
-        .map(|(arg_value, ..)| arg_value)
-        .collect::<Vec<_>>();
+    let lit = lits.iter().map(|l| &l.0).collect::<Vec<_>>();
 
     quote! {
         fn variants() -> Vec<clap::ArgValue<'static>> {

clap_derive/src/dummies.rs

@@ -76,11 +76,13 @@ pub fn args(name: &Ident) {
 pub fn arg_enum(name: &Ident) {
     append_dummy(quote! {
         impl clap::ArgEnum for #name {
-            const VARIANTS: &'static [clap::ArgValue<'static>] = &[];
+            fn variants() -> Vec<clap::ArgValue<'static>> {
+                unimplemented!()
+            }
             fn from_str(_input: &str, _case_insensitive: bool) -> Result<Self, String> {
                 unimplemented!()
             }
-            fn as_arg(&self) -> Option<&'static str> {
+            fn as_arg(&self) -> Option<clap::ArgValue<'static>> {
                 unimplemented!()
             }
         }

clap_derive/src/parse.rs

@@ -21,7 +21,6 @@ pub enum ClapAttr {
     Subcommand(Ident),
     VerbatimDocComment(Ident),
     ExternalSubcommand(Ident),
-    Hidden(Ident),
 
     // ident [= "string literal"]
     About(Ident, Option<LitStr>),
@@ -173,7 +172,6 @@ impl Parse for ClapAttr {
                 "subcommand" => Ok(Subcommand(name)),
                 "external_subcommand" => Ok(ExternalSubcommand(name)),
                 "verbatim_doc_comment" => Ok(VerbatimDocComment(name)),
-                "hidden" => Ok(Hidden(name)),
 
                 "default_value" => {
                     abort!(name,

src/build/arg/arg_value.rs

@@ -99,12 +99,10 @@ impl<'help> ArgValue<'help> {
     /// [hidden]: ArgValue::hidden
     /// [possible value]: crate::Arg::possible_values
     /// [`Arg::hide_possible_values(true)`]: crate::Arg::hide_possible_values()
-    pub const fn new(name: &'help str) -> Self {
+    pub fn new(name: &'help str) -> Self {
         ArgValue {
             name,
-            about: None,
-            hidden: false,
-            aliases: Vec::new(),
+            ..Default::default()
         }
     }
 
@@ -120,7 +118,7 @@ impl<'help> ArgValue<'help> {
     /// # ;
     /// ```
     #[inline]
-    pub const fn about(mut self, about: &'help str) -> Self {
+    pub fn about(mut self, about: &'help str) -> Self {
         self.about = Some(about);
         self
     }
@@ -140,7 +138,7 @@ impl<'help> ArgValue<'help> {
     /// ```
     /// [`Arg::hide_possible_values(true)`]: crate::Arg::hide_possible_values()
     #[inline]
-    pub const fn hidden(mut self, yes: bool) -> Self {
+    pub fn hidden(mut self, yes: bool) -> Self {
         self.hidden = yes;
         self
     }