Revert the previous info argument of redis_module! macro.

The argument was optional and it is reverted to avoid the breaking
changes. The way the macro is handled according to the new changes.

The wrapping function should be inlined.

Author: iddm

redismodule-rs-macros/src/info_section.rs

@@ -3,18 +3,15 @@ use proc_macro2::Ident;
 use quote::{quote, ToTokens};
 use syn::{parse_macro_input, Data, DataStruct, DeriveInput, Fields};
 
-struct SupportedMaps;
-impl SupportedMaps {
+mod supported_maps {
     /// A list of supported maps which can be converted to a dictionary for
     /// the [`redis_module::InfoContext`].
     const ALL: [&str; 2] = ["BTreeMap", "HashMap"];
 
     /// Returns `true` if the `type_string` provided is a type of a map
     /// supported by the [`crate::InfoSection`].
-    pub fn supports(type_string: &str) -> bool {
-        Self::ALL
-            .iter()
-            .any(|m| type_string.contains(&m.to_lowercase()))
+    pub fn is_supported(type_string: &str) -> bool {
+        ALL.iter().any(|m| type_string.contains(&m.to_lowercase()))
     }
 }
 
@@ -41,7 +38,7 @@ fn struct_info_section(struct_name: Ident, struct_data: DataStruct) -> TokenStre
         .named
         .into_iter()
         .map(|v| {
-            let is_dictionary = SupportedMaps::supports(
+            let is_dictionary = supported_maps::is_supported(
                 &v.ty.clone().into_token_stream().to_string().to_lowercase(),
             );
             let name = v.ident.ok_or(

src/macros.rs

@@ -99,6 +99,7 @@ macro_rules! redis_module {
         ],
         $(init: $init_func:ident,)* $(,)*
         $(deinit: $deinit_func:ident,)* $(,)*
+        $(info: $info_func:ident,)?
         commands: [
             $([
                 $name:expr,
@@ -155,6 +156,15 @@ macro_rules! redis_module {
         #[global_allocator]
         static REDIS_MODULE_ALLOCATOR: $allocator_type = $allocator_init;
 
+        // The info handler, if specified.
+        $(
+            #[redis_module_macros::info_command_handler]
+            #[inline]
+            fn module_info(ctx: &InfoContext, for_crash_report: bool) -> RedisResult<()> {
+                $info_func(ctx, for_crash_report)
+            }
+        )?
+
         extern "C" fn __info_func(
             ctx: *mut $crate::raw::RedisModuleInfoCtx,
             for_crash_report: i32,