binding

Documentation

Overview

Package binding contains builtins and syntax to bind values.

Index

• func LetS(eng *eval.Engine, env sxpf.Environment, args *sxpf.List) (eval.Expr, error)
• type LetExpr
  • func (le *LetExpr) Compute(eng *eval.Engine, env sxpf.Environment) (sxpf.Object, error)

Functions

func LetS

func LetS(eng *eval.Engine, env sxpf.Environment, args *sxpf.List) (eval.Expr, error)

LetS parses the `(let (binding...) expr...)` syntax.`

Types

type LetExpr

type LetExpr struct {
	Symbols []*sxpf.Symbol
	Expr    []eval.Expr
	Front   []eval.Expr
	Last    eval.Expr
}

LetExpr stores everything for a (let ...) expression.

func (*LetExpr) Compute

func (le *LetExpr) Compute(eng *eval.Engine, env sxpf.Environment) (sxpf.Object, error)