Enhance support for scripted language bindings by making Imports and Module cloneable

.gitignore

@@ -6,3 +6,5 @@ examples/rust/Cargo.lock
 examples/wast/*
 perf.*
 flamegraph.svg
+/.idea
+/*.iml

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Improved documentation and added more tests
+- Enhance support for scripted language bindings by making Imports and Module cloneable
 
 ### Removed
 
@@ -31,7 +32,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Reduced the overhead of control flow instructions
 - Reduced the size of bytecode instructions
 - Fixed issues on the latest nightly Rust compiler
-- Simpliefied a lot of the internal macros
+- Simplified a lot of the internal macros
 
 ### Removed
 
@@ -75,8 +76,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 **All Commits**: https://github.com/explodingcamera/tinywasm/compare/v0.1.0...v0.2.0
 
 - Support for br_table
-- Memory trapping improvments
-- Implicit function lable scopes
+- Memory trapping improvements
+- Implicit function label scopes
 - else Instructions
 - All Memory instructions
 - Imports

crates/tinywasm/src/imports.rs

@@ -218,6 +218,7 @@ impl From<&Import> for ExternName {
 ///
 /// Note that module instance addresses for [`Imports::link_module`] can be obtained from [`crate::ModuleInstance::id`].
 /// Now, the imports object can be passed to [`crate::ModuleInstance::instantiate`].
+#[derive(Clone)]
 pub struct Imports {
  values: BTreeMap<ExternName, Extern>,
  modules: BTreeMap<String, ModuleInstanceAddr>,

crates/tinywasm/src/module.rs

@@ -5,6 +5,7 @@ use tinywasm_types::TinyWasmModule;
 /// A WebAssembly Module
 ///
 /// See <https://webassembly.github.io/spec/core/syntax/modules.html#syntax-module>
+#[derive(Clone)]
 pub struct Module {
  pub(crate) data: TinyWasmModule,
 }