diff --git a/src/vm/inst.rs b/src/vm/inst.rs
index 6025ba4..f3db323 100644
--- a/src/vm/inst.rs
+++ b/src/vm/inst.rs
@@ -69,7 +69,8 @@ pub enum Inst {
 // impl Inst
 //
 impl Inst {
-    pub fn name(&self) -> &'static str {
+    /// Gets the printable name of this instruction.
+    pub const fn name(&self) -> &'static str {
         match self {
             Inst::PushSym(_) => "PUSH_SYM",
             Inst::PushConst(_) => "PUSH_CONST",