message

Documentation

Index

• type BuildFunc
  • func (fn BuildFunc) Build() Instance
• type Builder
• type Field
  • func (m Field) IsUnspecified() bool
• type Instance
• type Type

Types

type BuildFunc

type BuildFunc func() Instance

BuildFunc creates empty messages of a given type

func (BuildFunc) Build

func (fn BuildFunc) Build() Instance

type Builder

type Builder interface {
	Build() Instance
}

Creates an empty instance of this type

type Field

type Field string

Field specifies the name of a field in a message in the pipeline.

func (Field) IsUnspecified

func (m Field) IsUnspecified() bool

IsUnspecified reports whether this field is "".

type Instance

type Instance interface {
	// Set updates the value of a given field.
	Set(Field, Instance) error
	// Get returns the current value of a field.
	Get(Field) (Instance, error)
}

Instance specifies an interface for concrete messages. These messages can be sent and received in stages. An instance can have subfields, that can be updated.

type Type

type Type interface {
	Builder
	// Subfield returns the Type of a subfield.
	Subfield(Field) (Type, error)
	// Verifies whether these types are comparible.
	Compatible(Type) bool
}

Type describes the underlying struct of Message.