rename FieldMapper to Mapper

In our context, we are for now only mapping a blob to a number of
fields.

2 files changed, 5 insertions, 5 deletions

diff --git a/skate/cmd/skate-map/main.go b/skate/cmd/skate-map/main.go
index e72cc0c..ffe1017 100644
--- a/skate/cmd/skate-map/main.go
+++ b/skate/cmd/skate-map/main.go
@@ -25,7 +25,7 @@ var (
 func main() {
 	flag.Parse()
 	// XXX: introduce prefixes
-	availableMappers := map[string]skate.FieldMapper{
+	availableMappers := map[string]skate.Mapper{
 		"id":    skate.Identity,
 		"ff":    skate.CreateFixedMapper(*extraValue),
 		"title": skate.MapperTitle,
diff --git a/skate/map.go b/skate/map.go
index 9cad1e4..2cb4ebc 100644
--- a/skate/map.go
+++ b/skate/map.go
@@ -31,13 +31,13 @@ type PartialDoc struct {
 	Year         string `json:"release_year"`
 }
 
-// FieldMapper maps a blob to an arbitrary number of fields, e.g. for (key,
+// Mapper maps a blob to an arbitrary number of fields, e.g. for (key,
 // doc). We want fields, but we do not want to bake in TSV into each function.
-type FieldMapper func([]byte) ([][]byte, error)
+type Mapper func([]byte) ([][]byte, error)
 
 // TSV serialized the result of a field mapper as TSV. This is a slim adapter,
 // e.g. to parallel.Processor, which expects this function signature.
-func (f FieldMapper) TSV(p []byte) ([]byte, error) {
+func (f Mapper) TSV(p []byte) ([]byte, error) {
 	fields, err := f(p)
 	if err != nil {
 		return nil, err
@@ -63,7 +63,7 @@ func Identity(p []byte) ([][]byte, error) {
 
 // CreateFixedMapper extract the value from a given fixed top level json key.
 // Returns a function that maps doc to (v, doc).
-func CreateFixedMapper(field string) FieldMapper {
+func CreateFixedMapper(field string) Mapper {
 	f := func(p []byte) ([][]byte, error) {
 		var (
 			doc map[string]interface{}