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iscclosure

iscclosure checks whether a given function is a C closure or not.

function iscclosure(func: (...any) -> (...any)): boolean

Parameters

Parameter Description
func The function to check.

Example

Checking whether functions are C closures with iscclosure
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local function dummy_lua_function()
    print("This is an executor Lua closure")
end

local dummy_cfunction = newcclosure(function()
    print("This is an Executor C Closure")
end)

local dummy_standard_function = print
local dummy_global_cfunction = getgc

print(iscclosure(dummy_cfunction)) -- Output: true
print(iscclosure(dummy_global_cfunction)) -- Output: true
print(iscclosure(dummy_standard_function)) -- Output: true
print(iscclosure(dummy_lua_function)) -- Output: false