to_vec_with_capacity

rustapi_core::json

Function to_vec_with_capacity 

Source 
pub fn to_vec_with_capacity<T: Serialize>(
    value: &T,
    capacity: usize,
) -> Result<Vec<u8>, JsonError>
Expand description

Serialize a value to a JSON byte vector with pre-allocated capacity.

Use this when you have a good estimate of the output size to avoid reallocations.