Rusty Russell 2aad3ffcf8 common: tal_dup_talarr() helper. ...

This is a common thing to do, so create a macro.

Unfortunately, it still needs the type arg, because the paramter may
be const, and the return cannot be, and C doesn't have a general
"(-const)" cast.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

2020-02-27 14:16:16 +10:30

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