isBound: Check whether a function is bound to its enclosure

In chiefBiiko/bounds: Partial Application Via Closures

Description

isBound scans its input function's frame checking if there are any names not bound within its own scope - free variables. It returns a logical value indicating whether the input function is bound, aka a closure.

Usage

isBound(func)

Arguments

func	Function to check required.

Details

isBound(func) translates to: Is func bound to any names in its enclosing environment? isBound always returns FALSE for primitives since these do not have an environment.

Value

Logical indicating whether func is bound, a closure.

See Also

bind

Examples

isBound(sum)
one_plus <- bind(sum, 1L)
isBound(one_plus)

chiefBiiko/bounds documentation built on May 13, 2019, 4:09 p.m.