leaningtech-dev team mailing list archive

[Alessandro Pignotti <1393017@xxxxxxxxxxxxxxxxxx>]

Decoding floats from chars: This is currently supported using unions,
for example

union
{
    float f;
    char c[4];
} u;

memcpy(u.c, buffer, 4);
float result = u.f;

Dynamic NULL checks: This is already supported in some cases at no cost,
but not always

Dynamic checks for correct assignments: This is actually a good idea and
we will consider implementing this. Moreover, in the future the
Object.freeze API should make it possible to let the browser do such
checks at no cost.

Please note that there is a custom cheerp warning which is emitted on
every unsafe type cast. It's a bit too verbose at the moment, but it
should be helpful in finding out what code might be problematic.

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https://bugs.launchpad.net/bugs/1393017

Title:
  error:Field not supported in union.

Status in Cheerp: C++ for the Web:
  Invalid

Bug description:
  is the error means, cheerp does not support union?

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