From 8c12c6939aab9106db14ec2d11d983bc5b29fb2c Mon Sep 17 00:00:00 2001
From: Niall Sheridan <nsheridan@gmail.com>
Date: Sun, 7 Jul 2019 21:33:44 +0100
Subject: Switch to modules

---
 vendor/github.com/spf13/cast/caste.go | 1166 ---------------------------------
 1 file changed, 1166 deletions(-)
 delete mode 100644 vendor/github.com/spf13/cast/caste.go

(limited to 'vendor/github.com/spf13/cast/caste.go')

diff --git a/vendor/github.com/spf13/cast/caste.go b/vendor/github.com/spf13/cast/caste.go
deleted file mode 100644
index 4fe1928..0000000
--- a/vendor/github.com/spf13/cast/caste.go
+++ /dev/null
@@ -1,1166 +0,0 @@
-// Copyright © 2014 Steve Francia <spf@spf13.com>.
-//
-// Use of this source code is governed by an MIT-style
-// license that can be found in the LICENSE file.
-
-package cast
-
-import (
-	"encoding/json"
-	"errors"
-	"fmt"
-	"html/template"
-	"reflect"
-	"strconv"
-	"strings"
-	"time"
-)
-
-var errNegativeNotAllowed = errors.New("unable to cast negative value")
-
-// ToTimeE casts an interface to a time.Time type.
-func ToTimeE(i interface{}) (tim time.Time, err error) {
-	i = indirect(i)
-
-	switch v := i.(type) {
-	case time.Time:
-		return v, nil
-	case string:
-		return StringToDate(v)
-	case int:
-		return time.Unix(int64(v), 0), nil
-	case int64:
-		return time.Unix(v, 0), nil
-	case int32:
-		return time.Unix(int64(v), 0), nil
-	case uint:
-		return time.Unix(int64(v), 0), nil
-	case uint64:
-		return time.Unix(int64(v), 0), nil
-	case uint32:
-		return time.Unix(int64(v), 0), nil
-	default:
-		return time.Time{}, fmt.Errorf("unable to cast %#v of type %T to Time", i, i)
-	}
-}
-
-// ToDurationE casts an interface to a time.Duration type.
-func ToDurationE(i interface{}) (d time.Duration, err error) {
-	i = indirect(i)
-
-	switch s := i.(type) {
-	case time.Duration:
-		return s, nil
-	case int, int64, int32, int16, int8, uint, uint64, uint32, uint16, uint8:
-		d = time.Duration(ToInt64(s))
-		return
-	case float32, float64:
-		d = time.Duration(ToFloat64(s))
-		return
-	case string:
-		if strings.ContainsAny(s, "nsuµmh") {
-			d, err = time.ParseDuration(s)
-		} else {
-			d, err = time.ParseDuration(s + "ns")
-		}
-		return
-	default:
-		err = fmt.Errorf("unable to cast %#v of type %T to Duration", i, i)
-		return
-	}
-}
-
-// ToBoolE casts an interface to a bool type.
-func ToBoolE(i interface{}) (bool, error) {
-	i = indirect(i)
-
-	switch b := i.(type) {
-	case bool:
-		return b, nil
-	case nil:
-		return false, nil
-	case int:
-		if i.(int) != 0 {
-			return true, nil
-		}
-		return false, nil
-	case string:
-		return strconv.ParseBool(i.(string))
-	default:
-		return false, fmt.Errorf("unable to cast %#v of type %T to bool", i, i)
-	}
-}
-
-// ToFloat64E casts an interface to a float64 type.
-func ToFloat64E(i interface{}) (float64, error) {
-	i = indirect(i)
-
-	switch s := i.(type) {
-	case float64:
-		return s, nil
-	case float32:
-		return float64(s), nil
-	case int:
-		return float64(s), nil
-	case int64:
-		return float64(s), nil
-	case int32:
-		return float64(s), nil
-	case int16:
-		return float64(s), nil
-	case int8:
-		return float64(s), nil
-	case uint:
-		return float64(s), nil
-	case uint64:
-		return float64(s), nil
-	case uint32:
-		return float64(s), nil
-	case uint16:
-		return float64(s), nil
-	case uint8:
-		return float64(s), nil
-	case string:
-		v, err := strconv.ParseFloat(s, 64)
-		if err == nil {
-			return v, nil
-		}
-		return 0, fmt.Errorf("unable to cast %#v of type %T to float64", i, i)
-	case bool:
-		if s {
-			return 1, nil
-		}
-		return 0, nil
-	default:
-		return 0, fmt.Errorf("unable to cast %#v of type %T to float64", i, i)
-	}
-}
-
-// ToFloat32E casts an interface to a float32 type.
-func ToFloat32E(i interface{}) (float32, error) {
-	i = indirect(i)
-
-	switch s := i.(type) {
-	case float64:
-		return float32(s), nil
-	case float32:
-		return s, nil
-	case int:
-		return float32(s), nil
-	case int64:
-		return float32(s), nil
-	case int32:
-		return float32(s), nil
-	case int16:
-		return float32(s), nil
-	case int8:
-		return float32(s), nil
-	case uint:
-		return float32(s), nil
-	case uint64:
-		return float32(s), nil
-	case uint32:
-		return float32(s), nil
-	case uint16:
-		return float32(s), nil
-	case uint8:
-		return float32(s), nil
-	case string:
-		v, err := strconv.ParseFloat(s, 32)
-		if err == nil {
-			return float32(v), nil
-		}
-		return 0, fmt.Errorf("unable to cast %#v of type %T to float32", i, i)
-	case bool:
-		if s {
-			return 1, nil
-		}
-		return 0, nil
-	default:
-		return 0, fmt.Errorf("unable to cast %#v of type %T to float32", i, i)
-	}
-}
-
-// ToInt64E casts an interface to an int64 type.
-func ToInt64E(i interface{}) (int64, error) {
-	i = indirect(i)
-
-	switch s := i.(type) {
-	case int:
-		return int64(s), nil
-	case int64:
-		return s, nil
-	case int32:
-		return int64(s), nil
-	case int16:
-		return int64(s), nil
-	case int8:
-		return int64(s), nil
-	case uint:
-		return int64(s), nil
-	case uint64:
-		return int64(s), nil
-	case uint32:
-		return int64(s), nil
-	case uint16:
-		return int64(s), nil
-	case uint8:
-		return int64(s), nil
-	case float64:
-		return int64(s), nil
-	case float32:
-		return int64(s), nil
-	case string:
-		v, err := strconv.ParseInt(s, 0, 0)
-		if err == nil {
-			return v, nil
-		}
-		return 0, fmt.Errorf("unable to cast %#v of type %T to int64", i, i)
-	case bool:
-		if s {
-			return 1, nil
-		}
-		return 0, nil
-	case nil:
-		return 0, nil
-	default:
-		return 0, fmt.Errorf("unable to cast %#v of type %T to int64", i, i)
-	}
-}
-
-// ToInt32E casts an interface to an int32 type.
-func ToInt32E(i interface{}) (int32, error) {
-	i = indirect(i)
-
-	switch s := i.(type) {
-	case int:
-		return int32(s), nil
-	case int64:
-		return int32(s), nil
-	case int32:
-		return s, nil
-	case int16:
-		return int32(s), nil
-	case int8:
-		return int32(s), nil
-	case uint:
-		return int32(s), nil
-	case uint64:
-		return int32(s), nil
-	case uint32:
-		return int32(s), nil
-	case uint16:
-		return int32(s), nil
-	case uint8:
-		return int32(s), nil
-	case float64:
-		return int32(s), nil
-	case float32:
-		return int32(s), nil
-	case string:
-		v, err := strconv.ParseInt(s, 0, 0)
-		if err == nil {
-			return int32(v), nil
-		}
-		return 0, fmt.Errorf("unable to cast %#v of type %T to int32", i, i)
-	case bool:
-		if s {
-			return 1, nil
-		}
-		return 0, nil
-	case nil:
-		return 0, nil
-	default:
-		return 0, fmt.Errorf("unable to cast %#v of type %T to int32", i, i)
-	}
-}
-
-// ToInt16E casts an interface to an int16 type.
-func ToInt16E(i interface{}) (int16, error) {
-	i = indirect(i)
-
-	switch s := i.(type) {
-	case int:
-		return int16(s), nil
-	case int64:
-		return int16(s), nil
-	case int32:
-		return int16(s), nil
-	case int16:
-		return s, nil
-	case int8:
-		return int16(s), nil
-	case uint:
-		return int16(s), nil
-	case uint64:
-		return int16(s), nil
-	case uint32:
-		return int16(s), nil
-	case uint16:
-		return int16(s), nil
-	case uint8:
-		return int16(s), nil
-	case float64:
-		return int16(s), nil
-	case float32:
-		return int16(s), nil
-	case string:
-		v, err := strconv.ParseInt(s, 0, 0)
-		if err == nil {
-			return int16(v), nil
-		}
-		return 0, fmt.Errorf("unable to cast %#v of type %T to int16", i, i)
-	case bool:
-		if s {
-			return 1, nil
-		}
-		return 0, nil
-	case nil:
-		return 0, nil
-	default:
-		return 0, fmt.Errorf("unable to cast %#v of type %T to int16", i, i)
-	}
-}
-
-// ToInt8E casts an interface to an int8 type.
-func ToInt8E(i interface{}) (int8, error) {
-	i = indirect(i)
-
-	switch s := i.(type) {
-	case int:
-		return int8(s), nil
-	case int64:
-		return int8(s), nil
-	case int32:
-		return int8(s), nil
-	case int16:
-		return int8(s), nil
-	case int8:
-		return s, nil
-	case uint:
-		return int8(s), nil
-	case uint64:
-		return int8(s), nil
-	case uint32:
-		return int8(s), nil
-	case uint16:
-		return int8(s), nil
-	case uint8:
-		return int8(s), nil
-	case float64:
-		return int8(s), nil
-	case float32:
-		return int8(s), nil
-	case string:
-		v, err := strconv.ParseInt(s, 0, 0)
-		if err == nil {
-			return int8(v), nil
-		}
-		return 0, fmt.Errorf("unable to cast %#v of type %T to int8", i, i)
-	case bool:
-		if s {
-			return 1, nil
-		}
-		return 0, nil
-	case nil:
-		return 0, nil
-	default:
-		return 0, fmt.Errorf("unable to cast %#v of type %T to int8", i, i)
-	}
-}
-
-// ToIntE casts an interface to an int type.
-func ToIntE(i interface{}) (int, error) {
-	i = indirect(i)
-
-	switch s := i.(type) {
-	case int:
-		return s, nil
-	case int64:
-		return int(s), nil
-	case int32:
-		return int(s), nil
-	case int16:
-		return int(s), nil
-	case int8:
-		return int(s), nil
-	case uint:
-		return int(s), nil
-	case uint64:
-		return int(s), nil
-	case uint32:
-		return int(s), nil
-	case uint16:
-		return int(s), nil
-	case uint8:
-		return int(s), nil
-	case float64:
-		return int(s), nil
-	case float32:
-		return int(s), nil
-	case string:
-		v, err := strconv.ParseInt(s, 0, 0)
-		if err == nil {
-			return int(v), nil
-		}
-		return 0, fmt.Errorf("unable to cast %#v of type %T to int", i, i)
-	case bool:
-		if s {
-			return 1, nil
-		}
-		return 0, nil
-	case nil:
-		return 0, nil
-	default:
-		return 0, fmt.Errorf("unable to cast %#v of type %T to int", i, i)
-	}
-}
-
-// ToUintE casts an interface to a uint type.
-func ToUintE(i interface{}) (uint, error) {
-	i = indirect(i)
-
-	switch s := i.(type) {
-	case string:
-		v, err := strconv.ParseUint(s, 0, 0)
-		if err == nil {
-			return uint(v), nil
-		}
-		return 0, fmt.Errorf("unable to cast %#v to uint: %s", i, err)
-	case int:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint(s), nil
-	case int64:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint(s), nil
-	case int32:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint(s), nil
-	case int16:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint(s), nil
-	case int8:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint(s), nil
-	case uint:
-		return s, nil
-	case uint64:
-		return uint(s), nil
-	case uint32:
-		return uint(s), nil
-	case uint16:
-		return uint(s), nil
-	case uint8:
-		return uint(s), nil
-	case float64:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint(s), nil
-	case float32:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint(s), nil
-	case bool:
-		if s {
-			return 1, nil
-		}
-		return 0, nil
-	case nil:
-		return 0, nil
-	default:
-		return 0, fmt.Errorf("unable to cast %#v of type %T to uint", i, i)
-	}
-}
-
-// ToUint64E casts an interface to a uint64 type.
-func ToUint64E(i interface{}) (uint64, error) {
-	i = indirect(i)
-
-	switch s := i.(type) {
-	case string:
-		v, err := strconv.ParseUint(s, 0, 64)
-		if err == nil {
-			return v, nil
-		}
-		return 0, fmt.Errorf("unable to cast %#v to uint64: %s", i, err)
-	case int:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint64(s), nil
-	case int64:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint64(s), nil
-	case int32:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint64(s), nil
-	case int16:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint64(s), nil
-	case int8:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint64(s), nil
-	case uint:
-		return uint64(s), nil
-	case uint64:
-		return s, nil
-	case uint32:
-		return uint64(s), nil
-	case uint16:
-		return uint64(s), nil
-	case uint8:
-		return uint64(s), nil
-	case float32:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint64(s), nil
-	case float64:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint64(s), nil
-	case bool:
-		if s {
-			return 1, nil
-		}
-		return 0, nil
-	case nil:
-		return 0, nil
-	default:
-		return 0, fmt.Errorf("unable to cast %#v of type %T to uint64", i, i)
-	}
-}
-
-// ToUint32E casts an interface to a uint32 type.
-func ToUint32E(i interface{}) (uint32, error) {
-	i = indirect(i)
-
-	switch s := i.(type) {
-	case string:
-		v, err := strconv.ParseUint(s, 0, 32)
-		if err == nil {
-			return uint32(v), nil
-		}
-		return 0, fmt.Errorf("unable to cast %#v to uint32: %s", i, err)
-	case int:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint32(s), nil
-	case int64:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint32(s), nil
-	case int32:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint32(s), nil
-	case int16:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint32(s), nil
-	case int8:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint32(s), nil
-	case uint:
-		return uint32(s), nil
-	case uint64:
-		return uint32(s), nil
-	case uint32:
-		return s, nil
-	case uint16:
-		return uint32(s), nil
-	case uint8:
-		return uint32(s), nil
-	case float64:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint32(s), nil
-	case float32:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint32(s), nil
-	case bool:
-		if s {
-			return 1, nil
-		}
-		return 0, nil
-	case nil:
-		return 0, nil
-	default:
-		return 0, fmt.Errorf("unable to cast %#v of type %T to uint32", i, i)
-	}
-}
-
-// ToUint16E casts an interface to a uint16 type.
-func ToUint16E(i interface{}) (uint16, error) {
-	i = indirect(i)
-
-	switch s := i.(type) {
-	case string:
-		v, err := strconv.ParseUint(s, 0, 16)
-		if err == nil {
-			return uint16(v), nil
-		}
-		return 0, fmt.Errorf("unable to cast %#v to uint16: %s", i, err)
-	case int:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint16(s), nil
-	case int64:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint16(s), nil
-	case int32:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint16(s), nil
-	case int16:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint16(s), nil
-	case int8:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint16(s), nil
-	case uint:
-		return uint16(s), nil
-	case uint64:
-		return uint16(s), nil
-	case uint32:
-		return uint16(s), nil
-	case uint16:
-		return s, nil
-	case uint8:
-		return uint16(s), nil
-	case float64:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint16(s), nil
-	case float32:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint16(s), nil
-	case bool:
-		if s {
-			return 1, nil
-		}
-		return 0, nil
-	case nil:
-		return 0, nil
-	default:
-		return 0, fmt.Errorf("unable to cast %#v of type %T to uint16", i, i)
-	}
-}
-
-// ToUint8E casts an interface to a uint type.
-func ToUint8E(i interface{}) (uint8, error) {
-	i = indirect(i)
-
-	switch s := i.(type) {
-	case string:
-		v, err := strconv.ParseUint(s, 0, 8)
-		if err == nil {
-			return uint8(v), nil
-		}
-		return 0, fmt.Errorf("unable to cast %#v to uint8: %s", i, err)
-	case int:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint8(s), nil
-	case int64:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint8(s), nil
-	case int32:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint8(s), nil
-	case int16:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint8(s), nil
-	case int8:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint8(s), nil
-	case uint:
-		return uint8(s), nil
-	case uint64:
-		return uint8(s), nil
-	case uint32:
-		return uint8(s), nil
-	case uint16:
-		return uint8(s), nil
-	case uint8:
-		return s, nil
-	case float64:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint8(s), nil
-	case float32:
-		if s < 0 {
-			return 0, errNegativeNotAllowed
-		}
-		return uint8(s), nil
-	case bool:
-		if s {
-			return 1, nil
-		}
-		return 0, nil
-	case nil:
-		return 0, nil
-	default:
-		return 0, fmt.Errorf("unable to cast %#v of type %T to uint8", i, i)
-	}
-}
-
-// From html/template/content.go
-// Copyright 2011 The Go Authors. All rights reserved.
-// indirect returns the value, after dereferencing as many times
-// as necessary to reach the base type (or nil).
-func indirect(a interface{}) interface{} {
-	if a == nil {
-		return nil
-	}
-	if t := reflect.TypeOf(a); t.Kind() != reflect.Ptr {
-		// Avoid creating a reflect.Value if it's not a pointer.
-		return a
-	}
-	v := reflect.ValueOf(a)
-	for v.Kind() == reflect.Ptr && !v.IsNil() {
-		v = v.Elem()
-	}
-	return v.Interface()
-}
-
-// From html/template/content.go
-// Copyright 2011 The Go Authors. All rights reserved.
-// indirectToStringerOrError returns the value, after dereferencing as many times
-// as necessary to reach the base type (or nil) or an implementation of fmt.Stringer
-// or error,
-func indirectToStringerOrError(a interface{}) interface{} {
-	if a == nil {
-		return nil
-	}
-
-	var errorType = reflect.TypeOf((*error)(nil)).Elem()
-	var fmtStringerType = reflect.TypeOf((*fmt.Stringer)(nil)).Elem()
-
-	v := reflect.ValueOf(a)
-	for !v.Type().Implements(fmtStringerType) && !v.Type().Implements(errorType) && v.Kind() == reflect.Ptr && !v.IsNil() {
-		v = v.Elem()
-	}
-	return v.Interface()
-}
-
-// ToStringE casts an interface to a string type.
-func ToStringE(i interface{}) (string, error) {
-	i = indirectToStringerOrError(i)
-
-	switch s := i.(type) {
-	case string:
-		return s, nil
-	case bool:
-		return strconv.FormatBool(s), nil
-	case float64:
-		return strconv.FormatFloat(s, 'f', -1, 64), nil
-	case float32:
-		return strconv.FormatFloat(float64(s), 'f', -1, 32), nil
-	case int:
-		return strconv.Itoa(s), nil
-	case int64:
-		return strconv.FormatInt(s, 10), nil
-	case int32:
-		return strconv.Itoa(int(s)), nil
-	case int16:
-		return strconv.FormatInt(int64(s), 10), nil
-	case int8:
-		return strconv.FormatInt(int64(s), 10), nil
-	case uint:
-		return strconv.FormatInt(int64(s), 10), nil
-	case uint64:
-		return strconv.FormatInt(int64(s), 10), nil
-	case uint32:
-		return strconv.FormatInt(int64(s), 10), nil
-	case uint16:
-		return strconv.FormatInt(int64(s), 10), nil
-	case uint8:
-		return strconv.FormatInt(int64(s), 10), nil
-	case []byte:
-		return string(s), nil
-	case template.HTML:
-		return string(s), nil
-	case template.URL:
-		return string(s), nil
-	case template.JS:
-		return string(s), nil
-	case template.CSS:
-		return string(s), nil
-	case template.HTMLAttr:
-		return string(s), nil
-	case nil:
-		return "", nil
-	case fmt.Stringer:
-		return s.String(), nil
-	case error:
-		return s.Error(), nil
-	default:
-		return "", fmt.Errorf("unable to cast %#v of type %T to string", i, i)
-	}
-}
-
-// ToStringMapStringE casts an interface to a map[string]string type.
-func ToStringMapStringE(i interface{}) (map[string]string, error) {
-	var m = map[string]string{}
-
-	switch v := i.(type) {
-	case map[string]string:
-		return v, nil
-	case map[string]interface{}:
-		for k, val := range v {
-			m[ToString(k)] = ToString(val)
-		}
-		return m, nil
-	case map[interface{}]string:
-		for k, val := range v {
-			m[ToString(k)] = ToString(val)
-		}
-		return m, nil
-	case map[interface{}]interface{}:
-		for k, val := range v {
-			m[ToString(k)] = ToString(val)
-		}
-		return m, nil
-	case string:
-		err := jsonStringToObject(v, &m)
-		return m, err
-	default:
-		return m, fmt.Errorf("unable to cast %#v of type %T to map[string]string", i, i)
-	}
-}
-
-// ToStringMapStringSliceE casts an interface to a map[string][]string type.
-func ToStringMapStringSliceE(i interface{}) (map[string][]string, error) {
-	var m = map[string][]string{}
-
-	switch v := i.(type) {
-	case map[string][]string:
-		return v, nil
-	case map[string][]interface{}:
-		for k, val := range v {
-			m[ToString(k)] = ToStringSlice(val)
-		}
-		return m, nil
-	case map[string]string:
-		for k, val := range v {
-			m[ToString(k)] = []string{val}
-		}
-	case map[string]interface{}:
-		for k, val := range v {
-			switch vt := val.(type) {
-			case []interface{}:
-				m[ToString(k)] = ToStringSlice(vt)
-			case []string:
-				m[ToString(k)] = vt
-			default:
-				m[ToString(k)] = []string{ToString(val)}
-			}
-		}
-		return m, nil
-	case map[interface{}][]string:
-		for k, val := range v {
-			m[ToString(k)] = ToStringSlice(val)
-		}
-		return m, nil
-	case map[interface{}]string:
-		for k, val := range v {
-			m[ToString(k)] = ToStringSlice(val)
-		}
-		return m, nil
-	case map[interface{}][]interface{}:
-		for k, val := range v {
-			m[ToString(k)] = ToStringSlice(val)
-		}
-		return m, nil
-	case map[interface{}]interface{}:
-		for k, val := range v {
-			key, err := ToStringE(k)
-			if err != nil {
-				return m, fmt.Errorf("unable to cast %#v of type %T to map[string][]string", i, i)
-			}
-			value, err := ToStringSliceE(val)
-			if err != nil {
-				return m, fmt.Errorf("unable to cast %#v of type %T to map[string][]string", i, i)
-			}
-			m[key] = value
-		}
-	case string:
-		err := jsonStringToObject(v, &m)
-		return m, err
-	default:
-		return m, fmt.Errorf("unable to cast %#v of type %T to map[string][]string", i, i)
-	}
-	return m, nil
-}
-
-// ToStringMapBoolE casts an interface to a map[string]bool type.
-func ToStringMapBoolE(i interface{}) (map[string]bool, error) {
-	var m = map[string]bool{}
-
-	switch v := i.(type) {
-	case map[interface{}]interface{}:
-		for k, val := range v {
-			m[ToString(k)] = ToBool(val)
-		}
-		return m, nil
-	case map[string]interface{}:
-		for k, val := range v {
-			m[ToString(k)] = ToBool(val)
-		}
-		return m, nil
-	case map[string]bool:
-		return v, nil
-	case string:
-		err := jsonStringToObject(v, &m)
-		return m, err
-	default:
-		return m, fmt.Errorf("unable to cast %#v of type %T to map[string]bool", i, i)
-	}
-}
-
-// ToStringMapE casts an interface to a map[string]interface{} type.
-func ToStringMapE(i interface{}) (map[string]interface{}, error) {
-	var m = map[string]interface{}{}
-
-	switch v := i.(type) {
-	case map[interface{}]interface{}:
-		for k, val := range v {
-			m[ToString(k)] = val
-		}
-		return m, nil
-	case map[string]interface{}:
-		return v, nil
-	case string:
-		err := jsonStringToObject(v, &m)
-		return m, err
-	default:
-		return m, fmt.Errorf("unable to cast %#v of type %T to map[string]interface{}", i, i)
-	}
-}
-
-// ToSliceE casts an interface to a []interface{} type.
-func ToSliceE(i interface{}) ([]interface{}, error) {
-	var s []interface{}
-
-	switch v := i.(type) {
-	case []interface{}:
-		return append(s, v...), nil
-	case []map[string]interface{}:
-		for _, u := range v {
-			s = append(s, u)
-		}
-		return s, nil
-	default:
-		return s, fmt.Errorf("unable to cast %#v of type %T to []interface{}", i, i)
-	}
-}
-
-// ToBoolSliceE casts an interface to a []bool type.
-func ToBoolSliceE(i interface{}) ([]bool, error) {
-	if i == nil {
-		return []bool{}, fmt.Errorf("unable to cast %#v of type %T to []bool", i, i)
-	}
-
-	switch v := i.(type) {
-	case []bool:
-		return v, nil
-	}
-
-	kind := reflect.TypeOf(i).Kind()
-	switch kind {
-	case reflect.Slice, reflect.Array:
-		s := reflect.ValueOf(i)
-		a := make([]bool, s.Len())
-		for j := 0; j < s.Len(); j++ {
-			val, err := ToBoolE(s.Index(j).Interface())
-			if err != nil {
-				return []bool{}, fmt.Errorf("unable to cast %#v of type %T to []bool", i, i)
-			}
-			a[j] = val
-		}
-		return a, nil
-	default:
-		return []bool{}, fmt.Errorf("unable to cast %#v of type %T to []bool", i, i)
-	}
-}
-
-// ToStringSliceE casts an interface to a []string type.
-func ToStringSliceE(i interface{}) ([]string, error) {
-	var a []string
-
-	switch v := i.(type) {
-	case []interface{}:
-		for _, u := range v {
-			a = append(a, ToString(u))
-		}
-		return a, nil
-	case []string:
-		return v, nil
-	case string:
-		return strings.Fields(v), nil
-	case interface{}:
-		str, err := ToStringE(v)
-		if err != nil {
-			return a, fmt.Errorf("unable to cast %#v of type %T to []string", i, i)
-		}
-		return []string{str}, nil
-	default:
-		return a, fmt.Errorf("unable to cast %#v of type %T to []string", i, i)
-	}
-}
-
-// ToIntSliceE casts an interface to a []int type.
-func ToIntSliceE(i interface{}) ([]int, error) {
-	if i == nil {
-		return []int{}, fmt.Errorf("unable to cast %#v of type %T to []int", i, i)
-	}
-
-	switch v := i.(type) {
-	case []int:
-		return v, nil
-	}
-
-	kind := reflect.TypeOf(i).Kind()
-	switch kind {
-	case reflect.Slice, reflect.Array:
-		s := reflect.ValueOf(i)
-		a := make([]int, s.Len())
-		for j := 0; j < s.Len(); j++ {
-			val, err := ToIntE(s.Index(j).Interface())
-			if err != nil {
-				return []int{}, fmt.Errorf("unable to cast %#v of type %T to []int", i, i)
-			}
-			a[j] = val
-		}
-		return a, nil
-	default:
-		return []int{}, fmt.Errorf("unable to cast %#v of type %T to []int", i, i)
-	}
-}
-
-// ToDurationSliceE casts an interface to a []time.Duration type.
-func ToDurationSliceE(i interface{}) ([]time.Duration, error) {
-	if i == nil {
-		return []time.Duration{}, fmt.Errorf("unable to cast %#v of type %T to []time.Duration", i, i)
-	}
-
-	switch v := i.(type) {
-	case []time.Duration:
-		return v, nil
-	}
-
-	kind := reflect.TypeOf(i).Kind()
-	switch kind {
-	case reflect.Slice, reflect.Array:
-		s := reflect.ValueOf(i)
-		a := make([]time.Duration, s.Len())
-		for j := 0; j < s.Len(); j++ {
-			val, err := ToDurationE(s.Index(j).Interface())
-			if err != nil {
-				return []time.Duration{}, fmt.Errorf("unable to cast %#v of type %T to []time.Duration", i, i)
-			}
-			a[j] = val
-		}
-		return a, nil
-	default:
-		return []time.Duration{}, fmt.Errorf("unable to cast %#v of type %T to []time.Duration", i, i)
-	}
-}
-
-// StringToDate attempts to parse a string into a time.Time type using a
-// predefined list of formats.  If no suitable format is found, an error is
-// returned.
-func StringToDate(s string) (time.Time, error) {
-	return parseDateWith(s, []string{
-		time.RFC3339,
-		"2006-01-02T15:04:05", // iso8601 without timezone
-		time.RFC1123Z,
-		time.RFC1123,
-		time.RFC822Z,
-		time.RFC822,
-		time.RFC850,
-		time.ANSIC,
-		time.UnixDate,
-		time.RubyDate,
-		"2006-01-02 15:04:05.999999999 -0700 MST", // Time.String()
-		"2006-01-02",
-		"02 Jan 2006",
-		"2006-01-02 15:04:05 -07:00",
-		"2006-01-02 15:04:05 -0700",
-		"2006-01-02 15:04:05Z07:00", // RFC3339 without T
-		"2006-01-02 15:04:05",
-		time.Kitchen,
-		time.Stamp,
-		time.StampMilli,
-		time.StampMicro,
-		time.StampNano,
-	})
-}
-
-func parseDateWith(s string, dates []string) (d time.Time, e error) {
-	for _, dateType := range dates {
-		if d, e = time.Parse(dateType, s); e == nil {
-			return
-		}
-	}
-	return d, fmt.Errorf("unable to parse date: %s", s)
-}
-
-// jsonStringToObject attempts to unmarshall a string as JSON into
-// the object passed as pointer.
-func jsonStringToObject(s string, v interface{}) error {
-	data := []byte(s)
-	return json.Unmarshal(data, v)
-}
-- 
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