Luna::Variant::find_or_insert

Variant & find_or_insert(const Name &k)

Gets the child variant with the specified key, or inserts one new child variant with that key if not exists.

Parameters

• in k

  The key string of the child variant to fetch or insert.

Return value

Returns one reference to the found or inserted child variant.

Remark

The variant inserted by this function will have VariantType::null type.

Valid Usage

• The current variant must be an object variant or a null variant. If the variant is a null variant, it will be transformed into one object variant before the new key-variant pair is inserted.