I tried
@safe pure unittest { import std.conv : to; const y = 3.14.to!string; } but it fails to compile as`pure` function `foo.__unittest_L1_C12` cannot call impure function `std.conv.to!string.to!double.to`
Have anybody wrapped the corresponding C solution via, snprintf or gcvt in a high-level D wrapper?
Is assume `gcvt` is GNU only but that's ok with me. I assume `gcvt` is faster than `snprintf` in this case.