docs: add examples

1 files changed, 58 insertions, 0 deletions

diff --git a/examples/generic_fn_method.rs b/examples/generic_fn_method.rs
new file mode 100644
index 0000000..7cf0d78
--- /dev/null
+++ b/examples/generic_fn_method.rs
@@ -0,0 +1,58 @@
+use std::path::PathBuf;
+
+use ridicule::mock;
+
+trait Foo
+{
+    fn do_something<Callback>(&self, cb: Callback)
+    where
+        Callback: Fn(u64) -> String;
+
+    fn do_something_else<Callback, Value>(&self, cb: Callback)
+    where
+        Callback: Fn(f32) -> Value;
+}
+
+mock! {
+    MockFoo {}
+
+    impl Foo for MockFoo
+    {
+        fn do_something<Callback>(&self, cb: Callback)
+        where
+            Callback: Fn(u64) -> String;
+
+        fn do_something_else<Callback, Value>(&self, cb: Callback)
+        where
+            Callback: Fn(f32) -> Value;
+        }
+}
+
+fn main()
+{
+    let mut mock_foo = MockFoo::new();
+
+    mock_foo
+        .expect_do_something()
+        .returning(|_me, cb: fn(_) -> _| {
+            println!("do_something was called");
+
+            let cb_res = cb(42);
+
+            println!("Received '{cb_res}' from callback");
+        });
+
+    mock_foo
+        .expect_do_something_else()
+        .returning(|_me, cb: fn(_) -> PathBuf| {
+            println!("do_something_else was called");
+
+            let cb_res = cb(255.255);
+
+            println!("Received '{}' from callback", cb_res.display());
+        });
+
+    mock_foo.do_something((|num| format!("Hello there {num}")) as fn(_) -> _);
+
+    mock_foo.do_something_else((|_| PathBuf::from(r"a/b/c.txt")) as fn(_) -> _);
+}