grapes-set-active-grapes: Make an Active Binding

In keras: R Interface to 'Keras'

Make an Active Binding

Description

Make an Active Binding

Usage

sym %<-active% value

Arguments

sym	symbol to bind
value	A function to call when the value of sym is accessed.

Details

Active bindings defined in a %py_class% are converted to ⁠@property⁠ decorated methods.

Value

value, invisibly

See Also

makeActiveBinding()

Examples

set.seed(1234)
x %<-active% function(value) {
  message("Evaluating function of active binding")
  if(missing(value))
    runif(1)
  else
   message("Received: ", value)
}
x
x
x <- "foo"
x <- "foo"
x
rm(x) # cleanup

keras documentation built on May 29, 2024, 3:20 a.m.