1 files changed, 33 insertions, 0 deletions
diff --git a/crates/rebel-lang/src/func.rs b/crates/rebel-lang/src/func.rs
new file mode 100644
index 0000000..19d3ea0
--- /dev/null
+++ b/crates/rebel-lang/src/func.rs
@@ -0,0 +1,33 @@
+use std::fmt::Display;
+
+use rebel_parse::ast::Block;
+
+use crate::{typing::Type, value::Value, Result};
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct Func {
+	pub typ: FuncType,
+	pub def: FuncDef,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct FuncType {
+	pub params: Vec<Type>,
+	pub ret: Type,
+}
+
+impl Display for FuncType {
+	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+		// TODO
+		write!(f, "fn( ... ) -> {}", self.ret)
+	}
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub enum FuncDef {
+	Intrinsic(fn(&[Value]) -> Result<Value>),
+	Body {
+		param_names: Vec<String>,
+		block: Block<'static>,
+	},
+}