Initialise subcommands. Fixes #17.

alecthomas · Nov 21, 2014 · 261e7fb · 261e7fb
1 parent de11bc4
commit 261e7fb
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diff --git a/cmd.go b/cmd.go
@@ -44,6 +44,9 @@ func (c *cmdGroup) init() error {
 			return fmt.Errorf("duplicate command '%s'", cmd.name)
 		}
 		seen[cmd.name] = true
+		if err := cmd.init(); err != nil {
+			return err
+		}
 	}
 	return nil
 }

diff --git a/parser.go b/parser.go
@@ -16,3 +16,7 @@ func (p *ParseContext) Peek() *Token {
 func (p *ParseContext) Return(token *Token) {
 	p.Tokens = p.Tokens.Return(token)
 }
+
+func (p *ParseContext) String() string {
+	return p.SelectedCommand + ": " + p.Tokens.String()
+}