1 files changed, 27 insertions, 0 deletions
diff --git a/src/prompt/builtins.rs b/src/prompt/builtins.rs
new file mode 100644
index 0000000..0ede1d3
--- /dev/null
+++ b/src/prompt/builtins.rs
@@ -0,0 +1,27 @@
+// Copyleft (ɔ) 2021-2021 The Whirlsplash Collective
+// SPDX-License-Identifier: GPL-3.0-only
+
+use std::str::FromStr;
+
+pub enum BuiltIn {
+  Echo,
+  History,
+  Exit,
+}
+impl FromStr for BuiltIn {
+  type Err = ();
+
+  fn from_str(s: &str) -> Result<Self, Self::Err> {
+    match s {
+      "echo" => Ok(BuiltIn::Echo),
+      "history" => Ok(BuiltIn::History),
+      "exit" => Ok(BuiltIn::Exit),
+      _ => Err(()),
+    }
+  }
+}
+
+pub fn builtin_echo(args: &[String]) -> i32 {
+  println!("{}", args.join(" "));
+  0
+}