On Saturday, 14 February 2015 at 12:24:51 UTC, ketmar wrote:
On Sat, 14 Feb 2015 11:29:28 +0000, Jack Applegame wrote:
why std.conv.to is not pure?
string foo(real v) pure { return v.to!string; }
// Error: pure function 'foo' cannot call impure function
'std.conv.to!string.to!(real).to'
'cause float->string conversion is damned hard task. to perform
this
conversion `to!` falls back to `formatValue` from "std.format",
which in
turn using `snprintf()` from libc.
Forgive me being a bit dense but that doesn't necessarily mean
it's impure though, right?