Why make it complicated? (lemmy.ml)

submitted 3 weeks ago by [email protected] to c/[email protected]

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[-] [email protected] 5 points 3 weeks ago

To be honest I always disliked variable declaration without value assignment, so to me both options suck. :)

[-] [email protected] 5 points 3 weeks ago* (last edited 3 weeks ago)

What about

Let ret: Number
If (someCondition) {
    <a lot of expensive calculations>
    ret = resultOfOperations
} else {
    <a lot of other different expensive operations>
    ret = resultOfOtherOperations
}
return ret

You can't declare ret inside the brackets

[-] [email protected] 5 points 3 weeks ago

Rust would allow you to

let ret = if some_condition {
    <a lot of expensive calculations>
    result_of_operations
} else {
    <a lot of other different expensive calculations>
    result_of_other_operations
};

Now you don't have to declare it inside the blocks.

[-] [email protected] 5 points 3 weeks ago

Similarly, Perl lets you say

my $ret = do {    if (...) {        ...    } else {        ...    }};

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this post was submitted on 19 Jun 2025

97 points (87.0% liked)

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