dtree

package module

v0.0.0-...-7b42fdd Latest Latest Go to latest Published: Aug 18, 2022 License: MIT Imports: 6 Imported by: 0

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
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Repository

github.com/make-go-great/dtree

Links

Open Source Insights

README ¶

Decision tree in Go

Documentation ¶

Index ¶

Variables
type Branch
type Condition
- func NewCondition(predicate string) (*Condition, error)
type Node
type Outcome
- func NewOutcome(value interface{}) (*Outcome, error)
type Tree
- func NewTreeFromJson(bytes []byte) (*Tree, error)
- func (t *Tree) Decide(params map[string]interface{}) (interface{}, error)
- func (t *Tree) Initialize() error

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	ErrUndecidable      = errors.New("undecidable")
	ErrInvalidOutcome   = errors.New("invalid outcome")
	ErrInvalidCondition = errors.New("invalid condition")
)

Functions ¶

This section is empty.

Types ¶

type Branch ¶

type Branch struct {
	Value interface{} `json:"value"`
	Next  *Node       `json:"next"`
}

type Condition ¶

type Condition struct {
	Predicate string    `json:"predicate"`
	Branches  []*Branch `json:"branches"`
	// contains filtered or unexported fields
}

func NewCondition ¶

func NewCondition(predicate string) (*Condition, error)

NewCondition returns a new Condition node. The value must be binary expression. If value accepts unary expression, it'd be ambiguous for a value=`X`. Because the value can be a boolean expression `X` (equivalent to `X == true`) or a string outcome `X`.

func (*Condition) AddBranch ¶

func (c *Condition) AddBranch(value interface{}, nextNode *Node)

func (*Condition) Initialize ¶

func (c *Condition) Initialize() error

func (*Condition) Next ¶

func (c *Condition) Next(params map[string]interface{}) (*Node, error)

type Node ¶

type Node struct {
	*Outcome
	*Condition
}

type Outcome ¶

type Outcome struct {
	Value interface{} `json:"outcome"`
}

func NewOutcome ¶

func NewOutcome(value interface{}) (*Outcome, error)

NewOutcome returns a new Outcome node. The value must be integer literal, float literal, string literal (with or without "").

type Tree ¶

type Tree struct {
	Root *Node `json:"root"`
}

func NewTreeFromJson ¶

func NewTreeFromJson(bytes []byte) (*Tree, error)

func (*Tree) Decide ¶

func (t *Tree) Decide(params map[string]interface{}) (interface{}, error)

func (*Tree) Initialize ¶

func (t *Tree) Initialize() error

Source Files ¶

View all Source files

dtree.go

Directories ¶

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