template

type Context struct {
	Frontmatter map[string]any
	Recipient   map[string]any
	Content     template.HTML
	Schedule    mdsend.Schedule
}

type IdentifierGenerator interface {
	GenerateID() (string, error)
}

type IdentifierGeneratorFunc func() (string, error)

type Options struct {
	IdentifierGenerator IdentifierGenerator
	ContentParser       parser.Parser
	RendererForText     renderer.Renderer
	RendererForHTML     renderer.Renderer
	Frontmatter         map[string]any
}

type Template interface {
	RenderLetterForRecipient(map[string]any) (mdsend.Message, error)
}