Function expr_batch_add_expression 

#[unsafe(no_mangle)]
pub extern "C" fn expr_batch_add_expression(
    batch: *mut ExprBatch,
    expr: *const c_char,
) -> ExprResult

Add an expression to the batch

Parameters

• batch: The batch
• expr: Expression string (must be valid UTF-8)

Returns

ExprResult with index on success, or error details on failure