Pass lint, add travis stuff to run golint

.travis.yml

@@ -6,8 +6,12 @@ go:
   - 1.4
   - tip
 
+before_install:
+  - go get github.com/golang/lint/golint
+
 install:
   - go build .
 
 script:
   - go test -v
+  - golint

decimal.go

@@ -43,8 +43,8 @@ import (
 //
 var DivisionPrecision = 16
 
-// Set this to true if you want the decimal to be JSON marshaled as a number,
-// instead of as a string.
+// MarshalJSONWithoutQuotes should be set to true if you want the decimal to
+// be JSON marshaled as a number, instead of as a string.
 // WARNING: this is dangerous for decimals with many digits, since many JSON
 // unmarshallers (ex: Javascript's) will unmarshal JSON numbers to IEEE 754
 // double-precision floating point numbers, which means you can potentially
@@ -351,13 +351,13 @@ func (d Decimal) DivRound(d2 Decimal, precision int32) Decimal {
 
 	if c < 0 {
 		return q
-	} else {
-		if d.value.Sign()*d2.value.Sign() < 0 {
-			return q.Sub(New(1, -precision))
-		} else {
-			return q.Add(New(1, -precision))
-		}
 	}
+
+	if d.value.Sign()*d2.value.Sign() < 0 {
+		return q.Sub(New(1, -precision))
+	}
+
+	return q.Add(New(1, -precision))
 }
 
 // Mod returns d % d2.
@@ -436,11 +436,11 @@ func (d Decimal) Rat() *big.Rat {
 		// NOTE(vadim): must negate after casting to prevent int32 overflow
 		denom := new(big.Int).Exp(tenInt, big.NewInt(-int64(d.exp)), nil)
 		return new(big.Rat).SetFrac(d.value, denom)
-	} else {
-		mul := new(big.Int).Exp(tenInt, big.NewInt(int64(d.exp)), nil)
-		num := new(big.Int).Mul(d.value, mul)
-		return new(big.Rat).SetFrac(num, oneInt)
 	}
+
+	mul := new(big.Int).Exp(tenInt, big.NewInt(int64(d.exp)), nil)
+	num := new(big.Int).Mul(d.value, mul)
+	return new(big.Rat).SetFrac(num, oneInt)
 }
 
 // Float64 returns the nearest float64 value for d and a bool indicating
@@ -505,7 +505,7 @@ func (d Decimal) Round(places int32) Decimal {
 
 	// floor for positive numbers, ceil for negative numbers
 	_, m := ret.value.DivMod(ret.value, tenInt, new(big.Int))
-	ret.exp += 1
+	ret.exp++
 	if ret.value.Sign() < 0 && m.Cmp(zeroInt) != 0 {
 		ret.value.Add(ret.value, oneInt)
 	}
@@ -636,8 +636,8 @@ func (d Decimal) MarshalText() (text []byte, err error) {
 	return []byte(d.String()), nil
 }
 
-// NOTE: buggy, unintuitive, and DEPRECATED! Use StringFixed instead.
 // StringScaled first scales the decimal then calls .String() on it.
+// NOTE: buggy, unintuitive, and DEPRECATED! Use StringFixed instead.
 func (d Decimal) StringScaled(exp int32) string {
 	return d.rescale(exp).String()
 }
@@ -693,7 +693,7 @@ func (d *Decimal) ensureInitialized() {
 	}
 }
 
-// Returns the smallest Decimal that was passed in the arguments.
+// Min returns the smallest Decimal that was passed in the arguments.
 //
 // To call this function with an array, you must do:
 //
@@ -710,7 +710,7 @@ func Min(first Decimal, rest ...Decimal) Decimal {
 	return ans
 }
 
-// Returns the largest Decimal that was passed in the arguments.
+// Max returns the largest Decimal that was passed in the arguments.
 //
 // To call this function with an array, you must do:
 //

decimal_test.go

@@ -1174,10 +1174,10 @@ func TestDecimal_Scan(t *testing.T) {
 
 	// at least SQLite returns an int64 when 0 is stored in the db
 	// and you specified a numeric format on the schema
-	dbvalue_int := int64(0)
-	expected = New(dbvalue_int, 0)
+	dbvalueInt := int64(0)
+	expected = New(dbvalueInt, 0)
 
-	err = a.Scan(dbvalue_int)
+	err = a.Scan(dbvalueInt)
 	if err != nil {
 		// Scan failed... no need to test result value
 		t.Errorf("a.Scan(0) failed with message: %s", err)
@@ -1191,14 +1191,14 @@ func TestDecimal_Scan(t *testing.T) {
 
 	// in case you specified a varchar in your SQL schema,
 	// the database driver will return byte slice []byte
-	value_str := "535.666"
-	dbvalue_str := []byte(value_str)
-	expected, err = NewFromString(value_str)
+	valueStr := "535.666"
+	dbvalueStr := []byte(valueStr)
+	expected, err = NewFromString(valueStr)
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	err = a.Scan(dbvalue_str)
+	err = a.Scan(dbvalueStr)
 	if err != nil {
 		// Scan failed... no need to test result value
 		t.Errorf("a.Scan('535.666') failed with message: %s", err)
@@ -1211,12 +1211,12 @@ func TestDecimal_Scan(t *testing.T) {
 	}
 
 	// lib/pq can also return strings
-	expected, err = NewFromString(value_str)
+	expected, err = NewFromString(valueStr)
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	err = a.Scan(value_str)
+	err = a.Scan(valueStr)
 	if err != nil {
 		// Scan failed... no need to test result value
 		t.Errorf("a.Scan('535.666') failed with message: %s", err)