Revert "chore: bump schemars to 0.9 (#37)"

This reverts commit 7a3956a.

Author: sethdusek

Cargo.toml

@@ -12,7 +12,7 @@ serde = { version = "1.0.123", default-features = false, features = [
     "alloc",
     "derive",
 ], optional = true }
-schemars = { version = "0.9", default-features = false, optional = true }
+schemars = { version = ">=0.8,<1", default-features = false, optional = true }
 thiserror = { version = "2", default-features = false }
 proptest = { version = "1.0.0", optional = true }
 

src/bounded_vec.rs

@@ -650,22 +650,29 @@ mod serde_impl {
     #[cfg(feature = "schema")]
     mod schema {
         use super::*;
-        use alloc::borrow::Cow;
+        use schemars::schema::{InstanceType, SchemaObject};
         use schemars::JsonSchema;
 
         // we cannot use attributes, because the do not work with `const`, only numeric literals supported
         impl<T: JsonSchema, const L: usize, const U: usize> JsonSchema for BoundedVec<T, L, U> {
-            fn schema_name() -> Cow<'static, str> {
-                alloc::format!("BoundedVec{}Min{}Max{}", T::schema_name(), L, U).into()
+            fn schema_name() -> alloc::string::String {
+                alloc::format!("BoundedVec{}Min{}Max{}", T::schema_name(), L, U)
             }
 
-            fn json_schema(gen: &mut schemars::SchemaGenerator) -> schemars::Schema {
-                schemars::json_schema!({
-                    "type": "array",
-                    "items": T::json_schema(gen),
-                    "minItems": L as u32,
-                    "maxItems": L as u32
-                })
+            fn json_schema(gen: &mut schemars::gen::SchemaGenerator) -> schemars::schema::Schema {
+                SchemaObject {
+                    instance_type: Some(InstanceType::Array.into()),
+                    array: Some(alloc::boxed::Box::new(schemars::schema::ArrayValidation {
+                        items: Some(schemars::schema::SingleOrVec::Single(
+                            T::json_schema(gen).into(),
+                        )),
+                        min_items: Some(L as u32),
+                        max_items: Some(U as u32),
+                        ..Default::default()
+                    })),
+                    ..Default::default()
+                }
+                .into()
             }
         }
     }