Implemented string interning for static data

src/build/asm/Assembler.go

@@ -1,10 +1,14 @@
 package asm
 
-import "maps"
+import (
+	"maps"
+
+	"git.akyoto.dev/cli/q/src/build/data"
+)
 
 // Assembler contains a list of instructions.
 type Assembler struct {
-	Data         map[string][]byte
+	Data         data.Data
 	Instructions []Instruction
 }
 
@@ -15,10 +19,10 @@ func (a *Assembler) Merge(b Assembler) {
 }
 
 // SetData sets the data for the given label.
-func (a *Assembler) SetData(label string, data []byte) {
+func (a *Assembler) SetData(label string, bytes []byte) {
 	if a.Data == nil {
-		a.Data = map[string][]byte{}
+		a.Data = data.Data{}
 	}
 
-	a.Data[label] = data
+	a.Data[label] = bytes
 }