Test for a Full/Empty Queue Object

full tests whether a Queue object is full, that is whether the number of frames it contains is equal to its capacity. empty tests whether a Queue object is empty, that is whether it contains no frames.

Usage

full(x)

empty(x)

Arguments

x

A Queue object.

Value

A logical.

See also

Queue, queue, capacity

Author

Simon Garnier, garnier@njit.edu

Examples

balloon <- video(system.file("sample_vid/Balloon.mp4", package = "Rvision"))
#> Error: Could not open the video.
buf <- queue(balloon)
#> Error in eval(expr, envir, enclos): object 'balloon' not found
full(buf)
#> Error in eval(expr, envir, enclos): object 'buf' not found