duckdb-extension-framework 0.4.0

Purely experimental DuckDB extension framework
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

/// Asserts that the given expression returns DuckDBSuccess, else panics and prints the expression
#[macro_export]
macro_rules! check {
    ($x:expr) => {{
        if ($x != $crate::duckly::duckdb_state_DuckDBSuccess) {
            Err(format!("failed call: {}", stringify!($x)))?;
        }
    }};
}

/// Returns a `*const c_char` pointer to the given string
#[macro_export]
macro_rules! as_string {
    ($x:expr) => {
        std::ffi::CString::new($x)
            .expect("c string")
            .as_ptr()
            .cast::<c_char>()
    };
}