Parses the range [begin, end) as an unsigned integer.]
Synopsis
Declared in <mp‐units/utility/format.h>
template<std::forward_iterator It>
[[nodiscard]]
constexpr
int
parse_nonnegative_int(
It& begin,
It end,
int error_value);Description
The range must be non‐empty and start with a digit.
Return Value
the parsed integer, or error_value on overflow
|
Note
|
The return value should not be discarded. |
Parameters
Name |
Description |
begin |
the beginning of the range to parse; advanced past the parsed digits |
end |
the end of the range to parse |
error_value |
the value to return if the parsed integer overflows |
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