rlang (version 0.0.0.9000)

call_fn: Extract function from a call

Description

Extract function from a call

Usage

call_fn(call = NULL, env = NULL)

Arguments

call

Can be a call, a formula quoting a call in the right-hand side, or a frame object from which to extract the call expression. If not supplied, the calling frame is used.

env

Environment in which to look up the function. The default is the calling frame.

See Also

call_fn_name()

Examples

# Extract from a quoted call:
call_fn(~matrix())
call_fn(quote(matrix()))

# Extract the calling function
test <- function() call_fn()
test()