stdlib: Add map* for Option and Result

stdlib/std/option.cl

@@ -19,4 +19,11 @@ impl Option {
             None => true,
         }
     }
+    /// Maps from one option space to another
+    // pub fn map<U>(self: Self, f: fn(T) -> U) -> Option<U> {
+    //     match self {
+    //         Some(value) => Some(f(value)),
+    //         None => None,
+    //     }
+    // }
 }

stdlib/std/result.cl

@@ -19,4 +19,18 @@ impl Result {
             Err(_) => true,
         }
     }
+    /// Maps the value inside the Result::Ok, leaving errors alone.
+    // pub fn map<U>(self, f: fn(T) -> U) -> Result<U, E> {
+    //     match self {
+    //         Ok(t) => Ok(f(t)),
+    //         Err(e) => Err(e),
+    //     }
+    // }
+    /// Maps the value inside the Result::Err, leaving values alone.
+    // pub fn map_err<F>(self, f: fn(E) -> F) -> Result<T, F> {
+    //     match self {
+    //         Ok(t) => Ok(t),
+    //         Err(e) => Err(f(e)),
+    //     }
+    // }
 }