more changes

1 files changed, 36 insertions, 0 deletions

diff --git a/matrix-stdlib/src/io.rs b/matrix-stdlib/src/io.rs
new file mode 100644
index 0000000..288e99e
--- /dev/null
+++ b/matrix-stdlib/src/io.rs
@@ -0,0 +1,36 @@
+use matrix::{value::Value, self, vm::Vm, Result};
+use matrix_macros::native_func;
+
+#[native_func(1, true)]
+fn print(_vm: &mut Vm, args: Vec<Value>) -> Result<Value> {
+    let [values] = args.try_into().unwrap();
+    if let Value::List(list) = values {
+        for (i, value) in list.iter().enumerate() {
+            print!("{}", value.boring_print());
+            if i != 0 {
+                print!(" ");
+            }
+        }
+    }
+    Ok(Value::Nil)
+}
+
+#[native_func(1, true)]
+fn println(_vm: &mut Vm, args: Vec<Value>) -> Result<Value> {
+    let [values] = args.try_into().unwrap();
+    if let Value::List(list) = values {
+        for (i, value) in list.iter().enumerate() {
+            print!("{}", value.boring_print());
+            if i != 0 {
+                print!(" ");
+            }
+        }
+    }
+    print!("\n");
+    Ok(Value::Nil)
+}
+
+pub fn load(vm: &mut Vm) {
+    vm.load_native_fn(print());
+    vm.load_native_fn(println());
+}