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islclosure

islclosure checks whether a given function is a Lua closure or not.

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

Parameters

Parameter Description
func The function to check.

Example

Verifying Lua closures with islclosure
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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_cfunction = print

print(islclosure(dummy_lua_function)) -- Output: true
print(islclosure(dummy_standard_cfunction)) -- Output: false
print(islclosure(dummy_cfunction)) -- Output: false