Merge pull request #9 from andreimerlescu/feature/usage

Activated the Usage func in the flag package on the tree

Author: andreimerlescu

VERSION

@@ -1 +1 @@
-v2.0.9
+v2.0.10

alias_test.go

@@ -15,7 +15,6 @@ func TestWithAlias(t *testing.T) {
 		figs.NewString(cmdLong, valueLong, usage)
 		figs.WithAlias(cmdLong, cmdAliasLong)
 		assert.NoError(t, figs.Parse())
-		t.Log(figs.Usage())
 
 		assert.Equal(t, valueLong, *figs.String(cmdLong))
 		assert.Equal(t, valueLong, *figs.String(cmdAliasLong))
@@ -33,7 +32,6 @@ func TestWithAlias(t *testing.T) {
 		figs.WithAlias(k, ka2)
 		figs.WithAlias(k, ka3)
 		assert.NoError(t, figs.Parse())
-		t.Log(figs.Usage())
 
 		assert.Equal(t, v, *figs.String(k))
 		assert.Equal(t, v, *figs.String(ka1))
@@ -56,7 +54,7 @@ func TestWithAlias(t *testing.T) {
 		figs.WithValidator(cmdShort, AssureStringNotEmpty)
 
 		assert.NoError(t, figs.Parse())
-		t.Log(figs.Usage())
+
 		// long
 		assert.Equal(t, valueLong, *figs.String(cmdLong))
 		assert.Equal(t, valueLong, *figs.String(cmdAliasLong))
@@ -73,7 +71,6 @@ func TestWithAlias(t *testing.T) {
 		figs.NewInt("count", 42, "usage")
 		figs.WithAlias("count", "c")
 		assert.NoError(t, figs.Parse())
-		t.Log(figs.Usage())
 		assert.Equal(t, 42, *figs.Int("count"))
 		assert.Equal(t, 42, *figs.Int("c"))
 	})
@@ -86,6 +83,5 @@ func TestWithAlias(t *testing.T) {
 		figs.WithAlias("two", "x") // Should this overwrite or be ignored?
 		assert.NoError(t, figs.Parse())
 		assert.Equal(t, "value1", *figs.String("x")) // Clarify expected behavior
-		t.Log(figs.Usage())
 	})
 }

figtree.go

@@ -79,6 +79,7 @@ func With(opts Options) Plant {
 		mutationsCh:    make(chan Mutation),
 		flagSet:        flag.NewFlagSet(os.Args[0], flag.ContinueOnError),
 	}
+	fig.flagSet.Usage = fig.Usage
 	angel.Store(false)
 	if opts.IgnoreEnvironment {
 		os.Clearenv()

types.go

@@ -173,7 +173,7 @@ type Core interface {
 	ErrorFor(name string) error
 
 	// Usage displays the helpful menu of figs registered using -h or -help
-	Usage() string
+	Usage()
 }
 
 // Plant defines the interface for configuration management.

usage.go

@@ -11,7 +11,7 @@ import (
 )
 
 // Usage prints a helpful table of figs in a human-readable format
-func (tree *figTree) Usage() string {
+func (tree *figTree) Usage() {
 	termWidth := 80
 	if term.IsTerminal(int(os.Stdout.Fd())) {
 		if width, _, err := term.GetSize(int(os.Stdout.Fd())); err == nil {
@@ -79,7 +79,7 @@ func (tree *figTree) Usage() string {
 		}
 	})
 
-	return sb.String()
+	fmt.Println(sb.String())
 }
 
 // wrapText wraps a line of text to fit within the terminal width, indenting wrapped lines