Discussion: class member functions should be const by default #30
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That's the intent, and it just falls out of making I've added this to the Design note: const objects by default. Thanks! |
JohelEGP
referenced
this issue
Nov 26, 2023
This example now works:
main: () = {
v: std::vector = ( 1, 2, 3, 4, 5 );
// Definite last use of v => move-capture v into f's closure
f := :() -> forward _ = v$;
// Now we can access the vector captured inside f()...
f().push_back(6);
for f() do(e) std::cout << e; // prints 123456
}
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I know that class are still not supported on cppfront; but this makes the discussion even more relevant.
One of the things that lambda functions (arguably) get right is making their
operator()constby default and requiringmutableif you want to change data from the lambda.This should be done also for cpp2 classes. This has the advantages of (1) making lambdas less of a special case, and (2) making const-correct code the default.
This is kind of related to issue #25 .
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