Update clust_tool macro for new tool API

CHANGELOG.md

@@ -19,6 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add `clust::messages::StopReason::ToolUse`.
 - Add tools for `clust::messages::MessagesRequestBody`.
 - Add tool use content block for `clust::messages::Content`.
+- Add too result content block for `clust::messages::Content`.
 
 ### Removed
 

clust_macros/Cargo.toml

@@ -22,6 +22,8 @@ proc-macro = true
 quote = "1.0.*"
 syn = { version = "2.0.*", features = ["full"] }
 proc-macro2 = "1.0.*"
+valico = "4.0.*"
+serde_json = "1.0.*"
 
 [dev-dependencies]
 tokio = { version = "1.37.0", features = ["macros"] }

clust_macros/rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.76.0"
-components = ["rls", "rust-analysis", "rust-src", "rustfmt", "clippy", "cargo-expand"]
+channel = "1.77.2"
+components = ["rls", "rust-analysis", "rust-src", "rustfmt", "clippy"]

clust_macros/src/lib.rs

@@ -3,8 +3,9 @@
 use crate::tool::impl_tool;
 use proc_macro::TokenStream;
 
-mod check_result;
+mod return_type;
 mod tool;
+mod parameter_type;
 
 /// A procedural macro that generates a `clust::messages::Tool` or `clust::messages::AsyncTool`
 /// implementation for the annotated function with documentation.
@@ -56,9 +57,7 @@ mod tool;
 ///
 /// ```rust
 /// use clust_macros::clust_tool;
-/// use std::collections::BTreeMap;
-/// use std::iter::FromIterator;
-/// use clust::messages::{FunctionCalls, Invoke, Tool};
+/// use clust::messages::{ToolUse, Tool};
 ///
 /// /// Increments the argument by 1.
 /// ///
@@ -73,17 +72,15 @@ mod tool;
 ///
 /// let description = tool.description();
 ///
-/// let function_calls = FunctionCalls {
-///     invoke: Invoke {
-///         tool_name: String::from("incrementer"),
-///         parameters: BTreeMap::from_iter(vec![(
-///             "value".to_string(),
-///             "42".to_string(),
-///         )]),
-///     },
-/// };
-///
-/// let result = tool.call(function_calls).unwrap();
+/// let tool_use = ToolUse::new(
+///     "toolu_XXXX",
+///     "incrementer",
+///     serde_json::json!({
+///         "value": 42
+///     }),
+/// );
+///
+/// let result = tool.call(tool_use).unwrap();
 /// ```
 ///
 /// Generated XML tool description from above implementation is as follows: