expr

README

expr

Expressions for use in go-libraries

Documentation

Index

• func Eval(infix string, placeholders []map[string]any) (result any, err error)
• func PostfixToInfix(postfix Postfix) (string, error)
• func Value(placeholder string, placeholders []map[string]any) (val any, err error)
• type Postfix
  • func InfixToPostfix(infix string) (postfix Postfix, err error)
  • func (postfix Postfix) Eval(placeholders []map[string]any) (value any, err error)
  • func (postfix Postfix) String() string
• type Token
  • func (token Token) MarshalJSON() ([]byte, error)
  • func (token Token) Nature() string
  • func (token Token) Origin() string

Functions

func Eval

func Eval(infix string, placeholders []map[string]any) (result any, err error)

func PostfixToInfix

func PostfixToInfix(postfix Postfix) (string, error)

func Value

func Value(placeholder string, placeholders []map[string]any) (val any, err error)

Types

type Postfix

type Postfix []Token

func InfixToPostfix

func InfixToPostfix(infix string) (postfix Postfix, err error)

func (Postfix) Eval

func (postfix Postfix) Eval(placeholders []map[string]any) (value any, err error)

func (Postfix) String

func (postfix Postfix) String() string

type Token

type Token struct {
	// contains filtered or unexported fields
}

func (Token) MarshalJSON

func (token Token) MarshalJSON() ([]byte, error)

func (Token) Nature

func (token Token) Nature() string

func (Token) Origin

func (token Token) Origin() string