Exit Zen
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If <<ref_try_value_to>> is used with a type, for which there's no `tag_invoke` overload of the form described in this section, but there is one of the form intended for <<ref_value_to>>, then the library still tries to perform the conversion. It uses the throwing overload, and attempts to convert any thrown exception into an {ref_error_code}. Note, though, that such approach will likely be slower then a dedicated overload.
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To avoid creating such temporaries with an incorrect {ref_memory_resource}, using <<ref_value>>'s member functions <<ref_value_emplace_array>>, <<ref_value_emplace_object>>, and <<ref_value_emplace_string>> can be helpful.
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similar to {std_string}.
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Formatted Output
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{ref_polymorphic_allocator} do not acquire ownership; the caller is responsible for ensuring that the lifetime of the resource extends until it is no longer referenced.
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The string provided by the
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7
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is complicated and error-prone.
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<<ref_operator_eq_eq>> + <<ref_operator_not_eq>> + <<ref_operator_gt>> + <<ref_operator_gt_eq>> + <<ref_operator_lt>> + <<ref_operator_lt_eq>> + <<ref_operator_lt_lt>> +
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{ref_polymorphic_allocator} constructed from the {ref_memory_resource} used by the container. Ownership of this memory resource is not transferred.
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<<ref_parse_options>>
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When a <<ref_value>>, <<ref_array>>, or <<ref_object>> is assigned or constructed from an initializer list, the creation of the new value happens only once. This makes initializer lists equally efficient as using the other ways to create a value. The types in this library are first-class, supporting copy and move construction and assignment:
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*boost*
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{icon_bad} `basic_json` is a class template. Libraries must agree on the
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to a {std_ostream}.
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Initializer lists can be used to unambiguously construct or assign an <<ref_object>> or <<ref_array>>:
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`value_to` behavior
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Docs
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An associative container of key-value pairs with unique keys, where the key
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access to characters in the range `[size(), capacity())` is permitted,
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contains a decimal point, or
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