From 5d2747e26f51cc2344a6bd95f93457248fdfebd8 Mon Sep 17 00:00:00 2001
From: Freya Murphy <freya@freyacat.org>
Date: Thu, 29 Feb 2024 17:04:28 -0500
Subject: fin prob

---
 matrix-lang/src/value/function.rs | 43 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 matrix-lang/src/value/function.rs

(limited to 'matrix-lang/src/value/function.rs')

diff --git a/matrix-lang/src/value/function.rs b/matrix-lang/src/value/function.rs
new file mode 100644
index 0000000..38d8b0b
--- /dev/null
+++ b/matrix-lang/src/value/function.rs
@@ -0,0 +1,43 @@
+use crate::prelude::*;
+use std::fmt::{Debug, Display};
+
+pub struct Function {
+    pub name: Rc<str>,
+    pub arity: usize,
+    pub variadic: bool,
+    pub fun: InnerFunction
+}
+
+#[derive(Clone)]
+pub enum InnerFunction {
+    Compiled(Rc<Chunk>),
+    Native(Rc<dyn Fn((&mut Vm, &mut StackFrame), Vec<Value>) -> Result<Value>>),
+}
+
+impl Debug for Function {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        use InnerFunction as F;
+        match self.fun {
+            F::Compiled(_) => {
+                write!(f, "[Function {}]", self.name)
+            },
+            F::Native(_) => {
+                write!(f, "[Builtin {}]", self.name)
+            }
+        }
+    }
+}
+
+impl Display for Function {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        use InnerFunction as F;
+        match self.fun {
+            F::Compiled(_) => {
+                write!(f, "[Function {}]", self.name)
+            },
+            F::Native(_) => {
+                write!(f, "[Builtin {}]", self.name)
+            }
+        }
+    }
+}
-- 
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