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lua how to default value if nil or false

Tense Tern answered on February 28, 2022 Popularity 3/10 Helpfulness 1/10

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lua how to default value if nil or false

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local function foo(x, y, z)
    local x = x or true
    local y = y or 1234
    z = z or "default"
end

Popularity 3/10 Helpfulness 1/10 Language lua

Source: stackoverflow.com

Tags: default-value lua

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Contributed on Feb 28 2022

Tense Tern

0 Answers Avg Quality 2/10

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lua how to default value if nil

Comment

function foo(x, y, z)
    x = (x == nil) or x
    y = (y == nil and 1234) or y
    z = (z == nil and "default") or z
    print(x, y, z)
end

> foo()
true    1234    default
> foo(false, false, "me")
false   false   me
> foo(nil, 50, "me")
true    50  me

Popularity 3/10 Helpfulness 1/10 Language lua

Source: stackoverflow.com

Tags: default-value lua

Link to this answer
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Contributed on Feb 28 2022

Tense Tern

0 Answers Avg Quality 2/10

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lua how to default value if nil or false

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