More cleanups

3 files changed, 15 insertions, 13 deletions

diff --git a/config/config.go b/config/config.go
index 35e0ea09..523edaf8 100644
--- a/config/config.go
+++ b/config/config.go
@@ -1,4 +1,3 @@
-// Package config provides configuration parsing.
 package config
 
 import (
diff --git a/config/doc.go b/config/doc.go
new file mode 100644
index 00000000..c2116c36
--- /dev/null
+++ b/config/doc.go
@@ -0,0 +1,3 @@
+// Package config parses Git configuration files
+// and provides typed lookup of their values.
+package config
diff --git a/config/lookup.go b/config/lookup.go
index ede2026e..33c72ac7 100644
--- a/config/lookup.go
+++ b/config/lookup.go
@@ -11,10 +11,10 @@ type LookupResult struct {
 }
 
 // String returns the explicit string value.
-func (r LookupResult) String() (string, error) {
-	switch r.Kind {
+func (result LookupResult) String() (string, error) {
+	switch result.Kind {
 	case KindString:
-		return r.Value, nil
+		return result.Value, nil
 	case KindValueless:
 		return "", ErrValueless
 	case KindMissing:
@@ -25,10 +25,10 @@ func (r LookupResult) String() (string, error) {
 }
 
 // Bool interprets this lookup result using Git config boolean rules.
-func (r LookupResult) Bool() (bool, error) {
-	switch r.Kind {
+func (result LookupResult) Bool() (bool, error) {
+	switch result.Kind {
 	case KindString:
-		return parseBool(r.Value)
+		return parseBool(result.Value)
 	case KindValueless:
 		return true, nil
 	case KindMissing:
@@ -39,10 +39,10 @@ func (r LookupResult) Bool() (bool, error) {
 }
 
 // Int interprets this lookup result as a Git integer value.
-func (r LookupResult) Int() (int, error) {
-	switch r.Kind {
+func (result LookupResult) Int() (int, error) {
+	switch result.Kind {
 	case KindString:
-		return parseInt(r.Value)
+		return parseInt(result.Value)
 	case KindValueless:
 		return 0, ErrValueless
 	case KindMissing:
@@ -53,10 +53,10 @@ func (r LookupResult) Int() (int, error) {
 }
 
 // Int64 interprets this lookup result as a Git int64 value.
-func (r LookupResult) Int64() (int64, error) {
-	switch r.Kind {
+func (result LookupResult) Int64() (int64, error) {
+	switch result.Kind {
 	case KindString:
-		return parseInt64(r.Value)
+		return parseInt64(result.Value)
 	case KindValueless:
 		return 0, ErrValueless
 	case KindMissing: