From f0c93d9423c830f9ae3d3ce69b5db93fe7ff7ac7 Mon Sep 17 00:00:00 2001
From: Valery Antopol <valery.antopol@gmail.com>
Date: Wed, 1 Sep 2021 13:29:00 +0300
Subject: [PATCH] add VariantCount for IType and Value (#12)

---
 Cargo.lock                    | 13 ++++++++++++-
 crates/it-types/Cargo.toml    |  4 +++-
 crates/it-types/src/types.rs  |  4 ++--
 crates/it-types/src/values.rs |  4 +++-
 wasmer-it/Cargo.toml          |  2 +-
 5 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 087d3d7..7ce4593 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -28,11 +28,12 @@ checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 
 [[package]]
 name = "fluence-it-types"
-version = "0.3.0"
+version = "0.3.1"
 dependencies = [
  "it-to-bytes",
  "nom",
  "serde",
+ "variant_count",
  "wast",
 ]
 
@@ -253,6 +254,16 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
 
+[[package]]
+name = "variant_count"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aae2faf80ac463422992abf4de234731279c058aaf33171ca70277c98406b124"
+dependencies = [
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "version_check"
 version = "0.9.3"
diff --git a/crates/it-types/Cargo.toml b/crates/it-types/Cargo.toml
index 0c89119..41f72ad 100644
--- a/crates/it-types/Cargo.toml
+++ b/crates/it-types/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fluence-it-types"
-version = "0.3.0"
+version = "0.3.1"
 description = "Definitions of IValue and IType"
 authors = ["Fluence Labs"]
 edition = "2018"
@@ -18,5 +18,7 @@ serde = { version = "1.0.118", features = ["derive", "rc"]}
 nom = { version = "5.1", optional = true }
 wast = { version = "8.0", optional = true }
 
+variant_count = "1.1"
+
 [features]
 impls = ["nom", "wast"]
diff --git a/crates/it-types/src/types.rs b/crates/it-types/src/types.rs
index 362cd6f..f3f1355 100644
--- a/crates/it-types/src/types.rs
+++ b/crates/it-types/src/types.rs
@@ -4,9 +4,9 @@ use crate::ne_vec::NEVec;
 
 use serde::Deserialize;
 use serde::Serialize;
-
+use variant_count::VariantCount;
 /// Represents the types supported by WIT.
-#[derive(PartialEq, Eq, Debug, Clone, Hash, Serialize, Deserialize)]
+#[derive(PartialEq, Eq, Debug, Clone, Hash, Serialize, Deserialize, VariantCount)]
 pub enum IType {
     /// Boolean.
     Boolean,
diff --git a/crates/it-types/src/values.rs b/crates/it-types/src/values.rs
index 2e0a237..3494a9a 100644
--- a/crates/it-types/src/values.rs
+++ b/crates/it-types/src/values.rs
@@ -2,8 +2,10 @@
 
 use crate::ne_vec::NEVec;
 
+use variant_count::VariantCount;
+
 /// A WIT value.
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, VariantCount)]
 pub enum IValue {
     /// Boolean value.
     Boolean(bool),
diff --git a/wasmer-it/Cargo.toml b/wasmer-it/Cargo.toml
index 7d004e3..a7d3007 100644
--- a/wasmer-it/Cargo.toml
+++ b/wasmer-it/Cargo.toml
@@ -8,7 +8,7 @@ repository = "https://github.com/wasmerio/wasmer"
 edition = "2018"
 
 [dependencies]
-fluence-it-types = { path = "../crates/it-types", version = "0.3.0", features = ["impls"] }
+fluence-it-types = { path = "../crates/it-types", version = "0.3.1", features = ["impls"] }
 it-to-bytes = { path = "../crates/to-bytes", version = "0.1.0" }
 it-lilo = { path = "../crates/it-lilo", version = "0.1.0" }