diff options
Diffstat (limited to 'src/string.cc')
| -rw-r--r-- | src/string.cc | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/string.cc b/src/string.cc index bc02b4a3..2735f087 100644 --- a/src/string.cc +++ b/src/string.cc @@ -98,7 +98,7 @@ String indent(StringView str, StringView indent) return res; } -int str_to_int(StringView str) +Optional<int> str_to_int_ifp(StringView str) { unsigned int res = 0; bool negative = false; @@ -110,11 +110,18 @@ int str_to_int(StringView str) else if (c >= '0' and c <= '9') res = res * 10 + c - '0'; else - throw runtime_error(str + "is not a number"); + return {}; } return negative ? -(int)res : (int)res; } +int str_to_int(StringView str) +{ + if (auto val = str_to_int_ifp(str)) + return *val; + throw str + " is not a number"; +} + InplaceString<16> to_string(int val) { InplaceString<16> res; |