Publish TableElementType for library users.

lib/wasm/src/lib.rs

@@ -64,7 +64,8 @@ pub use func_translator::FuncTranslator;
 pub use module_translator::translate_module;
 pub use translation_utils::{
     DefinedFuncIndex, DefinedGlobalIndex, DefinedMemoryIndex, DefinedTableIndex, FuncIndex, Global,
-    GlobalIndex, GlobalInit, Memory, MemoryIndex, SignatureIndex, Table, TableIndex,
+    GlobalIndex, GlobalInit, Memory, MemoryIndex, SignatureIndex, Table, TableElementType,
+    TableIndex,
 };
 
 #[cfg(not(feature = "std"))]

lib/wasm/src/translation_utils.rs

@@ -90,7 +90,9 @@ pub struct Table {
 /// WebAssembly table element. Can be a function or a scalar type.
 #[derive(Debug, Clone, Copy)]
 pub enum TableElementType {
+    /// A scalar type.
     Val(ir::Type),
+    /// A function.
     Func,
 }