Fix InferString

Author: bombsimon

inferrer.go

@@ -2,7 +2,6 @@ package jtdinfer
 
 import (
 	"encoding/json"
-	"strconv"
 )
 
 // Inferrer represents the `InferredSchema` with its state combined with the
@@ -34,37 +33,18 @@ func (i *Inferrer) IntoSchema() Schema {
 }
 
 // InferStrings accepts a slice of strings and will try to JSON unmarshal each
-// row to the type that the first row looks like. If an error occurs the
-// inferrer will return with the state it had when the error occurred.
-// If you already have the type of your data such as a slice of numbers or a map
-// of strings you can pass them directly to `Infer`. This is just a convenience
-// method if all you got is strings.
+// row. If an error occurs the inferrer will return with the state it had when
+// the error occurred. If you already have the type of your data such as a slice
+// of numbers or a map of strings you can pass them directly to `Infer`. This is
+// just a convenience method if all you got is strings.
 func InferStrings(rows []string, hints *Hints) *Inferrer {
 	inferrer := NewInferrer(hints)
 	if len(rows) == 0 {
 		return inferrer
 	}
 
-	var (
-		firstRow   = rows[0]
-		getToInfer func() any
-	)
-
-	switch {
-	case isBool(firstRow):
-		getToInfer = func() any { return false }
-	case isObject(firstRow):
-		getToInfer = func() any { return make(map[string]any) }
-	case isArray(firstRow):
-		getToInfer = func() any { return make([]any, 0) }
-	case isNumber(firstRow):
-		getToInfer = func() any { return 0.0 }
-	default:
-		getToInfer = func() any { return "" }
-	}
-
 	for _, row := range rows {
-		toInfer := getToInfer()
+		var toInfer any
 		if err := json.Unmarshal([]byte(row), &toInfer); err != nil {
 			return inferrer
 		}
@@ -74,22 +54,3 @@ func InferStrings(rows []string, hints *Hints) *Inferrer {
 
 	return inferrer
 }
-
-func isBool(value string) bool {
-	return value == "true" || value == "false"
-}
-
-func isObject(value string) bool {
-	var m map[string]any
-	return json.Unmarshal([]byte(value), &m) == nil
-}
-
-func isArray(value string) bool {
-	var a []any
-	return json.Unmarshal([]byte(value), &a) == nil
-}
-
-func isNumber(value string) bool {
-	_, err := strconv.ParseFloat(value, 64)
-	return err == nil
-}