Add support for bit type

pgtype/bit.go

@@ -0,0 +1,37 @@
+package pgtype
+
+import (
+	"database/sql/driver"
+)
+
+type Bit Varbit
+
+func (dst *Bit) Set(src interface{}) error {
+	return (*Varbit)(dst).Set(src)
+}
+
+func (dst *Bit) Get() interface{} {
+	return (*Varbit)(dst).Get()
+}
+
+func (src *Bit) AssignTo(dst interface{}) error {
+	return (*Varbit)(src).AssignTo(dst)
+}
+
+func (dst *Bit) DecodeBinary(ci *ConnInfo, src []byte) error {
+	return (*Varbit)(dst).DecodeBinary(ci, src)
+}
+
+func (src *Bit) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) {
+	return (*Varbit)(src).EncodeBinary(ci, buf)
+}
+
+// Scan implements the database/sql Scanner interface.
+func (dst *Bit) Scan(src interface{}) error {
+	return (*Varbit)(dst).Scan(src)
+}
+
+// Value implements the database/sql/driver Valuer interface.
+func (src *Bit) Value() (driver.Value, error) {
+	return (*Varbit)(src).Value()
+}