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Merge pull request #5578 from edolstra/call-functor

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Call functors with both arguments at once
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Eelco Dolstra 2021-11-16 23:39:12 +01:00 committed by GitHub
parent 9a9afca712 d7bae52b9d
commit b191213b8b
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1 changed files with 5 additions and 3 deletions
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8
src/libexpr/eval.cc
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@ -1406,13 +1406,15 @@ void EvalState::callFunction(Value & fun, size_t nrArgs, Value * * args, Value &
}
else if (vCur.type() == nAttrs && (functor = vCur.attrs->get(sFunctor))) {
/* 'vCur" may be allocated on the stack of the calling
/* 'vCur' may be allocated on the stack of the calling
function, but for functors we may keep a reference, so
heap-allocate a copy and use that instead. */
Value * args2[] = {allocValue()};
Value * args2[] = {allocValue(), args[0]};
*args2[0] = vCur;
/* !!! Should we use the attr pos here? */
callFunction(*functor->value, 1, args2, vCur, pos);
callFunction(*functor->value, 2, args2, vCur, pos);
nrArgs--;
args++;
}
else