Function yrs::youtput_read_ymap

#[no_mangle]
pub unsafe extern "C" fn youtput_read_ymap(
    val: *const YOutput
) -> *mut Map

Attempts to read the value for a given YOutput pointer as an YMap.

Returns a null pointer in case when a value stored under current YOutput cell is not an YMap. Underlying heap resources are released automatically as part of youtput_destroy destructor.