Implicit capture of ‘this’ via ‘[=]’ is deprecated in C++20 #1668
Description
Compiling with g++ (Ubuntu 9.2.1-17ubuntu1~18.04.1) 9.2.1 20191102 I obtain warnings of the kind
fmt/include/fmt/format.h:1504:59: warning: implicit capture of ‘this’ via ‘[=]’ is deprecated in C++20 [-Wdeprecated]
1504 | out = write_int(out, num_digits, get_prefix(), specs, [=](iterator it) {IMHO the solution is to explicitly specify this in the capture list, e.g.
out = write_int(out, num_digits, get_prefix(), specs, [=, this](iterator it) {PR follows in a minute.