Add support for Option<T>

Cargo.toml

@@ -3,7 +3,7 @@ members = [".", "derive"]
 
 [package]
 name = "rusty-value"
-version = "0.4.0"
+version = "0.4.1"
 edition = "2021"
 license = "Apache-2.0"
 repository = "https://github.com/Trivernis/rusty-value"

src/value_trait.rs

@@ -1,6 +1,6 @@
 use std::{collections::HashMap, ffi::OsString, path::PathBuf};
 
-use crate::{Fields, Float, HashablePrimitive, HashableValue, Primitive, Struct, Value};
+use crate::{Enum, Fields, Float, HashablePrimitive, HashableValue, Primitive, Struct, Value};
 
 pub trait RustyValue {
     fn into_rusty_value(self) -> Value;
@@ -174,6 +174,25 @@ impl RustyValue for PathBuf {
     }
 }
 
+impl<T: RustyValue> RustyValue for Option<T> {
+    fn into_rusty_value(self) -> Value {
+        let name = String::from("Option");
+
+        match self {
+            Some(val) => Value::Enum(Enum {
+                name,
+                variant: String::from("Some"),
+                fields: Fields::Unnamed(vec![val.into_rusty_value()]),
+            }),
+            None => Value::Enum(Enum {
+                name,
+                variant: String::from("None"),
+                fields: Fields::Unit,
+            }),
+        }
+    }
+}
+
 impl<R: RustyValue> RustyValue for Vec<R> {
     fn into_rusty_value(self) -> Value {
         let value_vec = self

tests/structs.rs

@@ -35,11 +35,11 @@ fn it_handles_named_fields() {
 }
 
 #[derive(RustyValue)]
-struct TestStructUnnamed(String, u64);
+struct TestStructUnnamed(String, u64, Option<String>);
 
 #[test]
 fn it_handles_unnamed_fields() {
-    let test_struct = TestStructUnnamed(String::from("Hello World"), 12);
+    let test_struct = TestStructUnnamed(String::from("Hello World"), 12, None);
     let value = test_struct.into_rusty_value();
     dbg!(&value);
 
@@ -47,7 +47,7 @@ fn it_handles_unnamed_fields() {
         assert_eq!(&s.name, "TestStructUnnamed");
 
         if let Fields::Unnamed(fields) = s.fields {
-            assert_eq!(fields.len(), 2);
+            assert_eq!(fields.len(), 3);
         } else {
             panic!("Struct wasn't serialized as unnamed struct")
         }