nlohmann::basic_json::accept

check if the input is valid JSON

Synopsis

Declared in <nlohmann/json.hpp>

[[nodiscard, deprecated]]
static
bool
accept(
    /* implementation-defined */::span_input_adapter&& i,
    bool const ignore_comments = false,
    bool const ignore_trailing_commas = false);

WARNING

Deprecated: Since 3.8.0; use accept(ptr, ptr + len). Use of this entity is allowed but discouraged.

Return Value

whether the input is valid JSON

NOTE

The return value should not be discarded.

Parameters

NameDescription
iinput to check
ignore_commentswhether comments should be ignored and treated like whitespace (true) or yield a parse error (false)
ignore_trailing_commaswhether trailing commas in arrays and objects should be ignored (true) or yield a parse error (false)