setmetatable

gamecoderbgh luau metatables

Quiz
•
Information Technology (IT)
•
Professional Development
•
Easy
Gamecoderbgh Gamecoderbgh
Used 1+ times
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21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Function that attaches a metatable to a table.
Function that retrieves the metatable of a table.
Triggered when accessing a non-existent key.
Metamethod used to customize the behavior of the length operator (#).
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
__index
Function that attaches a metatable to a table.
Triggered when accessing a non-existent key.
Metamethod that defines the behavior for converting a table to a string.
True
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
getmetatable
Metamethod that allows the table to be called as a function.
Metamethod used to customize the behavior of the addition operator (+).
Metamethod that defines the behavior for converting a table to a string.
Function that retrieves the metatable of a table.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
__call
Function that attaches a metatable to a table.
local myTable = {}
local myMetatable = {}
setmetatable(myTable, myMetatable)
Metamethod that allows the table to be called as a function.
Triggered when accessing a non-existent key.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
__add
Function that attaches a metatable to a table.
Metamethod used to customize the behavior of the addition operator (+).
Metamethod that allows the table to be called as a function.
Function that retrieves the metatable of a table.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
__tostring
Metamethod that defines the behavior for converting a table to a string.
myMetatable.__index = function(table,key)
return "Key '" .. key .. "' not found!"
end
print(myTable.someKey) -- Output: Key 'someKey' not found!
True
Field in a metatable that declares weak references in weak tables.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
__newindex
Metamethod used to customize the behavior of the addition operator (+).
Custom iterator when using generalized iteration.
Metamethod triggered when assigning a value to a non-existent key.
Metamethod that defines the behavior for converting a table to a string.
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