Validators

Validator functions for object types created by {nanonext}.

Usage

is_aio(x)

is_nano(x)

is_ncurl_session(x)

Arguments

x

an object.

Value

Logical value TRUE or FALSE.

Details

Is the object an Aio (inheriting from class ‘sendAio’ or ‘recvAio’).

Is the object an object inheriting from class ‘nano’ i.e. a nanoSocket, nanoContext, nanoStream, nanoListener, nanoDialer, nanoPipe or nano Object.

Is the object an ncurlSession (object of class ‘ncurlSession’).

Is the object a Condition Variable (object of class ‘conditionVariable’).

Examples

nc <- call_aio(ncurl_aio("https://postman-echo.com/get", timeout = 1000L))
is_aio(nc)
#> [1] TRUE

s <- socket()
is_nano(s)
#> [1] TRUE
n <- nano()
is_nano(n)
#> [1] TRUE
close(s)
n$close()

s <- ncurl_session("https://postman-echo.com/get")
is_ncurl_session(s)
#> [1] TRUE
if (is_ncurl_session(s)) close(s)