renamed `cause` argument to `err` - fixes #32 (#33)
diff --git a/errors.go b/errors.go
index 4f128df..ca5499e 100644
--- a/errors.go
+++ b/errors.go
@@ -102,22 +102,22 @@
}
}
-// Wrap returns an error annotating the cause with message.
-// If cause is nil, Wrap returns nil.
-func Wrap(cause error, message string) error {
- if cause == nil {
+// Wrap returns an error annotating err with message.
+// If err is nil, Wrap returns nil.
+func Wrap(err error, message string) error {
+ if err == nil {
return nil
}
- return wrap(cause, message, callers())
+ return wrap(err, message, callers())
}
-// Wrapf returns an error annotating the cause with the format specifier.
-// If cause is nil, Wrapf returns nil.
-func Wrapf(cause error, format string, args ...interface{}) error {
- if cause == nil {
+// Wrapf returns an error annotating err with the format specifier.
+// If err is nil, Wrapf returns nil.
+func Wrapf(err error, format string, args ...interface{}) error {
+ if err == nil {
return nil
}
- return wrap(cause, fmt.Sprintf(format, args...), callers())
+ return wrap(err, fmt.Sprintf(format, args...), callers())
}
func wrap(err error, msg string, st *stack) error {
