wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-06-29 02:11:15 +02:00
Code Activity

string2Int(): Return std::optional

Browse source
This commit is contained in:
Eelco Dolstra 2021-01-08 12:22:21 +01:00
parent 29a445840a
commit 6548b89cc4
17 changed files with 82 additions and 69 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/libutil/args.hh
View file

@ -87,7 +87,9 @@ protected:
template<class I>
Handler(I * dest)
: fun([=](std::vector<std::string> ss) {
if (!string2Int(ss[0], *dest))
if (auto n = string2Int<I>(ss[0]))
*dest = *n;
else
throw UsageError("'%s' is not an integer", ss[0]);
})
, arity(1)