Added assembler merging

src/build/Compile.go

@@ -0,0 +1,40 @@
+package build
+
+import "sync"
+
+// Compile compiles all the functions.
+func (build *Build) Compile() (map[string]*Function, error) {
+	functions, errors := Scan(build.Directory)
+	wg := sync.WaitGroup{}
+	allFunctions := map[string]*Function{}
+
+	for functions != nil || errors != nil {
+		select {
+		case err, ok := <-errors:
+			if !ok {
+				errors = nil
+				continue
+			}
+
+			return nil, err
+
+		case function, ok := <-functions:
+			if !ok {
+				functions = nil
+				continue
+			}
+
+			wg.Add(1)
+
+			go func() {
+				defer wg.Done()
+				function.Compile()
+			}()
+
+			allFunctions[function.Name] = function
+		}
+	}
+
+	wg.Wait()
+	return allFunctions, nil
+}