folly::parseTo

Synopses

Declared in <folly/Conv.h>

Parse a StringPiece into a StringPiece (identity, consuming all input).

[[nodiscard]]
Expected<StringPiece, ConversionCode>
parseTo(
    StringPiece in,
    StringPiece& out) noexcept;

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Parse a StringPiece into an fbstring, consuming all input.

[[nodiscard]]
Expected<StringPiece, ConversionCode>
parseTo(
    StringPiece in,
    fbstring& out);

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Parse a StringPiece into a std::string, consuming all input.

[[nodiscard]]
Expected<StringPiece, ConversionCode>
parseTo(
    StringPiece in,
    std::string& out);

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Parse a StringPiece into a std::string_view, consuming all input.

[[nodiscard]]
Expected<StringPiece, ConversionCode>
parseTo(
    StringPiece in,
    std::string_view& out);

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Parse a StringPiece into any folly string type, consuming all input.

template<class Str>
[[nodiscard]]
Expected<StringPiece, ConversionCode>
parseTo(
    StringPiece in,
    Str& out)
requires IsSomeString<Str>::value;

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Custom Conversions

template<class T>
[[nodiscard]]
Expected<StringPiece, ConversionCode>
parseTo(
    StringPiece in,
    T& out) noexcept
requires std::is_enum<T>::value;

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Parsing strings to numeric types.

template<typename Tgt>
[[nodiscard]]
Expected<StringPiece, ConversionCode>
parseTo(
    StringPiece src,
    Tgt& out)
requires is_arithmetic_v<Tgt>;

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