/
bool.go
38 lines (33 loc) · 1.01 KB
/
bool.go
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// Copyright (C) MongoDB, Inc. 2014-present.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
package util
import (
"go.mongodb.org/mongo-driver/bson/primitive"
"reflect"
)
// IsTruthy returns true for values the server will interpret as "true".
// True values include {}, [], "", true, and any numbers != 0
func IsTruthy(val interface{}) bool {
if val == nil {
return false
}
if val == (primitive.Undefined{}) {
return false
}
v := reflect.ValueOf(val)
switch v.Kind() {
case reflect.Map, reflect.Slice, reflect.Array, reflect.String, reflect.Struct:
return true
default:
z := reflect.Zero(v.Type())
return v.Interface() != z.Interface()
}
}
// IsFalsy returns true for values the server will interpret as "false".
// False values include numbers == 0, false, and nil
func IsFalsy(val interface{}) bool {
return !IsTruthy(val)
}