Function Patch

expr.go:145–149

Patch adds visitor to list of visitors what will be applied before compiling AST to bytecode.

(visitor ast.Visitor)

// Patch adds visitor to list of visitors what will be applied before compiling AST to bytecode.
func Patch(visitor ast.Visitor) Option {
	return func(c *conf.Config) {
		c.Visitors = append(c.Visitors, visitor)
	}
}

// Function adds function to list of functions what will be available in expressions.
func Function(name string, fn func(params ...any) (any, error), types ...any) Option {