Function set_buffer 

pub fn set_buffer<B>(
    buffer_type: BufferType,
    start: usize,
    size: usize,
    value: B,
) -> Result<()>
where
    B: AsRef<[u8]>,

Mutates content in a given buffer.

Examples

use proxy_wasm::hostcalls;
use proxy_wasm::types::BufferType;

hostcalls::set_buffer(BufferType::HttpRequestBody, 0, usize::MAX, "replacement text")?;