Closures and function definitions 🚀

Supports:
- Closure syntax: `(x, y) => z`
- Shorthand for a single argument: `x => y`
- Function syntax: `let f(x) = y`
- Capturing of variables from the environment
- Error messages for too few / many passed arguments

Does not support:
- Named arguments
- Variadic arguments with `..`

1 files changed, 1 insertions, 1 deletions

diff --git a/src/library/mod.rs b/src/library/mod.rs
index 59198846..d34b338c 100644
--- a/src/library/mod.rs
+++ b/src/library/mod.rs
@@ -23,7 +23,7 @@ pub fn new() -> Scope {
     let mut std = Scope::new();
     macro_rules! set {
         (func: $name:expr, $func:expr) => {
-            std.def_const($name, ValueFunc::new($name, $func))
+            std.def_const($name, ValueFunc::new(Some($name.into()), $func))
         };
         (any: $var:expr, $any:expr) => {
             std.def_const($var, ValueAny::new($any))