Initial commit

internal/command/def.go

@@ -0,0 +1,22 @@
+package command
+
+type Definition []string
+
+func (cmd Definition) Valid() bool {
+	return len(cmd) > 0
+}
+
+func (cmd Definition) Name() string {
+	return cmd[0]
+}
+
+func (cmd Definition) Arguments() []string {
+	if len(cmd) > 1 {
+		return cmd[1:]
+	}
+	return []string{}
+}
+
+func (cmd Definition) Argument(i int) string {
+	return cmd[i+1]
+}

internal/command/doc.go

@@ -0,0 +1,3 @@
+// Package command defines the command.Definition type and helpers for
+// accessing command names and arguments.
+package command