Message method returns a capitalized string

CHANGELOG.md

@@ -1,3 +1,7 @@
+# v1.0.4 (Jan 7, 2023)
+
+-   Capitalize the result of Message function.
+
 # v1.0.3 (Jan 7, 2023)
 
 -   Create a function to get error message.

error.go

@@ -23,6 +23,9 @@ package xyerror
 import (
 	"errors"
 	"fmt"
+
+	"golang.org/x/text/cases"
+	"golang.org/x/text/language"
 )
 
 // Error is a special error belongs to a generic error class.
@@ -52,10 +55,15 @@ func Or(errs ...error) error {
 	return nil
 }
 
+var titler = cases.Title(language.English)
+
 // Message returns only the error message.
 func Message(e error) string {
+	var msg = e.Error()
 	if xe, ok := e.(Error); ok {
-		return xe.msg
+		msg = xe.msg
 	}
-	return e.Error()
+
+	titler.Reset()
+	return titler.String(msg)
 }

error_test.go

@@ -70,9 +70,9 @@ func TestCombine(t *testing.T) {
 }
 
 func TestMessage(t *testing.T) {
-	var e1 = xyerror.ValueError.New(t.Name())
-	var e2 = errors.New(t.Name())
-	xycond.ExpectEqual(e1.Error(), "ValueError: "+t.Name()).Test(t)
-	xycond.ExpectEqual(xyerror.Message(e1), t.Name()).Test(t)
-	xycond.ExpectEqual(xyerror.Message(e2), t.Name()).Test(t)
+	var e1 = xyerror.ValueError.New("foo-bar")
+	var e2 = errors.New("foo-foo")
+	xycond.ExpectEqual(e1.Error(), "ValueError: foo-bar").Test(t)
+	xycond.ExpectEqual(xyerror.Message(e1), "Foo-Bar").Test(t)
+	xycond.ExpectEqual(xyerror.Message(e2), "Foo-Foo").Test(t)
 }

go.mod

@@ -5,6 +5,7 @@ go 1.18
 require (
 	github.com/xybor-x/xycond v0.0.1
 	github.com/xybor-x/xylock v0.0.1
+	golang.org/x/text v0.6.0
 )
 
 require golang.org/x/sync v0.0.0-20220819030929-7fc1605a5dde // indirect

go.sum

@@ -4,3 +4,5 @@ github.com/xybor-x/xylock v0.0.1 h1:/LhbJb6WJkUW+xE4/bBpIC76BKrbgnayiId6LdouqUw=
 github.com/xybor-x/xylock v0.0.1/go.mod h1:IQvixGhBrgKdh0HcCJAqzYzk482SGyYOzezBxK6UdRc=
 golang.org/x/sync v0.0.0-20220819030929-7fc1605a5dde h1:ejfdSekXMDxDLbRrJMwUk6KnSLZ2McaUCVcIKM+N6jc=
 golang.org/x/sync v0.0.0-20220819030929-7fc1605a5dde/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/text v0.6.0 h1:3XmdazWV+ubf7QgHSTWeykHOci5oeekaGJBLkrkaw4k=
+golang.org/x/text v0.6.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=