15 lines
419 B
C++
15 lines
419 B
C++
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#pragma once
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#include <expected>
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#include <string>
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namespace cpp23 {
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enum class ParseError { EmptyInput, InvalidNumber };
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[[nodiscard]] auto parse_int(const std::string& text) -> std::expected<int, ParseError>;
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[[nodiscard]] auto safe_sqrt(int value) -> std::expected<double, std::string>;
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[[nodiscard]] auto chain_parse_and_double(const std::string& text) -> std::expected<int, ParseError>;
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} // namespace cpp23
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