Initial commit

config.go

@@ -0,0 +1,20 @@
+package camfish
+
+import "iter"
+
+// Config represents key/value data.
+type Config interface {
+	Get(key string) string
+	GetAll(key string) iter.Seq2[int, string]
+}
+
+// MutableConfig is like Config, but can be changed. These methods should be
+// assumed unsafe for use by multiple concurrent goroutines. A MutableConfig
+// must not be retained nor shared. These methods must not be called while
+// iterating over All or GetAll.
+type MutableConfig interface {
+	Config
+	Add(key, value string)
+	Del(key string)
+	Set(key, value string)
+}