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Make error message more readable in case of an invalid conversion

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Benoit Blanchon
2024-05-23 14:01:30 +02:00
parent 1db803bcd3
commit f99b2d63f9
1 changed files with 7 additions and 8 deletions
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15
src/ArduinoJson/Variant/JsonVariantConst.hpp
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@ -67,17 +67,16 @@ class JsonVariantConst : public detail::VariantTag,
// Casts the value to the specified type. // Casts the value to the specified type.
// https://arduinojson.org/v7/api/jsonvariantconst/as/ // https://arduinojson.org/v7/api/jsonvariantconst/as/
template <typename T> template <typename T,
detail::enable_if_t<ConversionSupported<T>::value, T> as() const { detail::enable_if_t<ConversionSupported<T>::value, bool> = true>
T as() const {
return Converter<T>::fromJson(*this); return Converter<T>::fromJson(*this);
} }
// Casts the value to the specified type. // Invalid conversion. Will not compile.
// https://arduinojson.org/v7/api/jsonvariantconst/as/ template <typename T,
template <typename T> detail::enable_if_t<!ConversionSupported<T>::value, bool> = true>
detail::enable_if_t<!ConversionSupported<T>::value, detail::InvalidConversion<JsonVariantConst, T> as() const;
detail::InvalidConversion<JsonVariantConst, T>>
as() const;
// Returns true if the value is of the specified type. // Returns true if the value is of the specified type.
// https://arduinojson.org/v7/api/jsonvariantconst/is/ // https://arduinojson.org/v7/api/jsonvariantconst/is/