Rework how priting of solutions are handled.

export/Export.go

@@ -0,0 +1,12 @@
+package export
+
+func (export *Export) Export() (render string) {
+	// Print the valid solutions
+	switch export.Controller.Output {
+	case "human":
+		render = export.RenderHumanReadableSolutions()
+	case "flat":
+		render = export.renderFlatSolutions()
+	}
+	return
+}

export/PrintFlatSolutions.go

@@ -1,14 +0,0 @@
-package export
-
-import (
-	"fmt"
-	"log"
-)
-
-// Print solutions into a human friendly format for in the console.
-func (export *Export) PrintFlatSolutions() {
-	for solutionIndex, solution := range export.Controller.Solutions {
-		log.Printf("\nSolution #%d:", solutionIndex+1)
-		fmt.Println(solution)
-	}
-}

export/PrintHumanReadableSolutions.go

@@ -1,21 +0,0 @@
-package export
-
-import (
-	"fmt"
-	"log"
-)
-
-// Print solutions into a human friendly format for in the console.
-func (export *Export) PrintHumanReadableSolutions() {
-	for solutionIndex, solution := range export.Controller.Solutions {
-		log.Printf("\nSolution #%d:", solutionIndex+1)
-		fmt.Println("╔═══════════╗")
-		for rowIndex, row := range solution {
-			if rowIndex == 3 || rowIndex == 6 {
-				fmt.Println("╟───┼───┼───╢")
-			}
-			fmt.Println("║" + row[0:3] + "│" + row[3:6] + "│" + row[6:9] + "╢")
-		}
-		fmt.Println("╚═══════════╝")
-	}
-}

export/renderFlatSolutions.go

@@ -0,0 +1,15 @@
+package export
+
+import (
+	"fmt"
+	"strconv"
+)
+
+// Print solutions into a human friendly format for in the console.
+func (export *Export) renderFlatSolutions() (render string) {
+	for solutionIndex, solution := range export.Controller.Solutions {
+		render += fmt.Sprintln("\nSolution #" + strconv.Itoa(solutionIndex+1) + ":")
+		render += fmt.Sprintln(solution)
+	}
+	return
+}

export/renderHumanReadableSolutions.go

@@ -0,0 +1,22 @@
+package export
+
+import (
+	"fmt"
+	"strconv"
+)
+
+// Print solutions into a human friendly format for in the console.
+func (export *Export) RenderHumanReadableSolutions() (render string) {
+	for solutionIndex, solution := range export.Controller.Solutions {
+		render += fmt.Sprintln("\nSolution #" + strconv.Itoa(solutionIndex+1) + ":")
+		render += fmt.Sprintln("╔═══════════╗")
+		for rowIndex, row := range solution {
+			if rowIndex == 3 || rowIndex == 6 {
+				render += fmt.Sprintln("╟───┼───┼───╢")
+			}
+			render += fmt.Sprintln("║" + row[0:3] + "│" + row[3:6] + "│" + row[6:9] + "╢")
+		}
+		render += fmt.Sprintln("╚═══════════╝")
+	}
+	return
+}

flags/printUsage.go

@@ -6,19 +6,6 @@ import (
 	"os"
 )
 
-// Validate if the char provided is 0-9
-func (flags *Flags) validChar(char rune) (valid bool) {
-	decvals := [10]int{48, 49, 50, 51, 52, 53, 54, 55, 56, 57}
-
-	for _, value := range decvals {
-		if char == rune(value) {
-			valid = true
-		}
-	}
-
-	return
-}
-
 // Print help information for the end-user
 func (flags *Flags) printUsage() {
 	fmt.Fprintf(flag.CommandLine.Output(), "Usage of %s:\n", os.Args[0])

flags/validChar.go

@@ -0,0 +1,14 @@
+package flags
+
+// Validate if the char provided is 0-9
+func (flags *Flags) validChar(char rune) (valid bool) {
+	decvals := [10]int{48, 49, 50, 51, 52, 53, 54, 55, 56, 57}
+
+	for _, value := range decvals {
+		if char == rune(value) {
+			valid = true
+		}
+	}
+
+	return
+}

main.go

@@ -45,12 +45,6 @@ func main() {
 	go solver.CheckCombinations()
 	solver.Tracker()
 
-	// Print the valid solutions
-	switch controller.Output {
-	case "human":
-		export.PrintHumanReadableSolutions()
-	case "flat":
-		export.PrintFlatSolutions()
-	}
+	log.Println(export.Export())
 
 }