Cleaned up function type

src/build/Result.go

@@ -31,7 +31,7 @@ func (r *Result) Finalize() ([]byte, []byte) {
 	// This will place the main function immediately after the entry point
 	// and also add everything the main function calls recursively.
 	r.EachFunction(r.Main, map[*Function]bool{}, func(f *Function) {
-		final.Merge(f.Assembler)
+		final.Merge(f.assembler)
 	})
 
 	code, data := final.Finalize()
@@ -44,7 +44,7 @@ func (r *Result) EachFunction(caller *Function, traversed map[*Function]bool, ca
 	call(caller)
 	traversed[caller] = true
 
-	for _, x := range caller.Assembler.Instructions {
+	for _, x := range caller.assembler.Instructions {
 		if x.Mnemonic != asm.CALL {
 			continue
 		}