From 2d964b39da09ad82eccf09abdea73967bbff76f2 Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Sat, 18 Mar 2023 21:26:54 +0100
Subject: feat: add support for generic traits

---
 examples/simple.rs | 37 ++++++++++++++++++++++++++++++-------
 1 file changed, 30 insertions(+), 7 deletions(-)

(limited to 'examples/simple.rs')

diff --git a/examples/simple.rs b/examples/simple.rs
index cb6feb9..c5494da 100644
--- a/examples/simple.rs
+++ b/examples/simple.rs
@@ -7,7 +7,7 @@ trait SomeFoobar
     fn do_something(&self) -> bool;
 }
 
-trait Foo
+trait Foo<Xyz>
 {
     fn bar<Baz>(&self, num: u128) -> Baz;
 
@@ -16,12 +16,14 @@ trait Foo
     fn baz<Foobar>(&self, name: &str, foobar: Foobar)
     where
         Foobar: SomeFoobar + Debug;
+
+    fn hello(&self, xyz: Xyz);
 }
 
 mock! {
     MockFoo {}
 
-    impl Foo for MockFoo {
+    impl<Xyz> Foo<Xyz> for MockFoo {
         fn bar<Baz>(&self, num: u128) -> Baz;
 
         fn biz<'a, Fiz: Debug, Bar>(&'a self, fiz: Fiz) -> &'a Bar;
@@ -29,6 +31,8 @@ mock! {
         fn baz<Foobar>(&self, name: &str, foobar: Foobar)
         where
             Foobar: SomeFoobar + Debug;
+
+        fn hello(&self, xyz: Xyz);
     }
 }
 
@@ -36,19 +40,38 @@ fn main()
 {
     let mut mock_foo = MockFoo::new();
 
-    mock_foo.expect_bar().returning(|_me, num| {
+    mock_foo.expect_bar::<_, Vec<u8>>().returning(|_me, num| {
         println!("bar was called with {num}");
 
         "Hello".to_string()
     });
 
-    mock_foo.expect_bar::<u128>().returning(|_me, num| {
+    mock_foo
+        .expect_bar::<u128, Vec<u8>>()
+        .returning(|_me, num| {
+            println!("bar was called with {num}");
+
+            136322
+        });
+
+    mock_foo.expect_bar::<_, String>().returning(|_me, num| {
         println!("bar was called with {num}");
 
-        136322
+        "Greetings".to_string()
     });
 
-    assert_eq!(mock_foo.bar::<String>(123), "Hello".to_string());
+    assert_eq!(
+        <MockFoo as Foo<Vec<u8>>>::bar::<String>(&mock_foo, 123),
+        "Hello".to_string()
+    );
+
+    assert_eq!(
+        <MockFoo as Foo<Vec<u8>>>::bar::<u128>(&mock_foo, 456),
+        136322
+    );
 
-    assert_eq!(mock_foo.bar::<u128>(456), 136322);
+    assert_eq!(
+        <MockFoo as Foo<String>>::bar::<String>(&mock_foo, 789),
+        "Greetings".to_string()
+    );
 }
-- 
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