Initial commit

vendor/github.com/gobuffalo/syncx/string_map.go

@@ -0,0 +1,73 @@
+//go:generate mapgen -name "String" -zero "``" -go-type "string" -pkg "" -a "`A`" -b "`B`" -c "`C`" -bb "`BB`" -destination "syncx"
+// Code generated by github.com/gobuffalo/mapgen. DO NOT EDIT.
+
+package syncx
+
+import (
+	"sort"
+	"sync"
+)
+
+// StringMap wraps sync.Map and uses the following types:
+// key:   string
+// value: string
+type StringMap struct {
+	data sync.Map
+}
+
+// Delete the key from the map
+func (m *StringMap) Delete(key string) {
+	m.data.Delete(key)
+}
+
+// Load the key from the map.
+// Returns string or bool.
+// A false return indicates either the key was not found
+// or the value is not of type string
+func (m *StringMap) Load(key string) (string, bool) {
+	i, ok := m.data.Load(key)
+	if !ok {
+		return ``, false
+	}
+	s, ok := i.(string)
+	return s, ok
+}
+
+// LoadOrStore will return an existing key or
+// store the value if not already in the map
+func (m *StringMap) LoadOrStore(key string, value string) (string, bool) {
+	i, _ := m.data.LoadOrStore(key, value)
+	s, ok := i.(string)
+	return s, ok
+}
+
+// Range over the string values in the map
+func (m *StringMap) Range(f func(key string, value string) bool) {
+	m.data.Range(func(k, v interface{}) bool {
+		key, ok := k.(string)
+		if !ok {
+			return false
+		}
+		value, ok := v.(string)
+		if !ok {
+			return false
+		}
+		return f(key, value)
+	})
+}
+
+// Store a string in the map
+func (m *StringMap) Store(key string, value string) {
+	m.data.Store(key, value)
+}
+
+// Keys returns a list of keys in the map
+func (m *StringMap) Keys() []string {
+	var keys []string
+	m.Range(func(key string, value string) bool {
+		keys = append(keys, key)
+		return true
+	})
+	sort.Strings(keys)
+	return keys
+}