Moves ZeroBlob from types to blob module.

src/blob.rs

@@ -17,7 +17,7 @@
 //! extern crate rusqlite;
 //!
 //! use rusqlite::{Connection, DatabaseName};
-//! use rusqlite::types::ZeroBlob;
+//! use rusqlite::blob::ZeroBlob;
 //! use std::io::{Read, Write, Seek, SeekFrom};
 //!
 //! fn main() {
@@ -52,8 +52,10 @@ use std::io;
 use std::cmp::min;
 use std::mem;
 use std::ptr;
+use libc::c_int;
 
 use super::ffi;
+use super::types::ToSql;
 use {Result, Connection, DatabaseName};
 
 /// Handle to an open BLOB.
@@ -233,6 +235,19 @@ impl<'conn> Drop for Blob<'conn> {
     }
 }
 
+/// BLOB of length N that is filled with zeroes.
+/// Zeroblobs are intended to serve as placeholders for BLOBs whose content is later written using incremental BLOB I/O routines.
+/// A negative value for the zeroblob results in a zero-length BLOB.
+#[derive(Copy,Clone)]
+pub struct ZeroBlob(pub i32);
+
+impl ToSql for ZeroBlob {
+    unsafe fn bind_parameter(&self, stmt: *mut ffi::sqlite3_stmt, col: c_int) -> c_int {
+        let ZeroBlob(length) = *self;
+        ffi::sqlite3_bind_zeroblob(stmt, col, length)
+    }
+}
+
 #[cfg(test)]
 mod test {
     use std::io::{BufReader, BufRead, BufWriter, Read, Write, Seek, SeekFrom};

src/types.rs

@@ -194,21 +194,6 @@ impl ToSql for Null {
     }
 }
 
-/// BLOB of length N that is filled with zeroes.
-/// Zeroblobs are intended to serve as placeholders for BLOBs whose content is later written using incremental BLOB I/O routines.
-/// A negative value for the zeroblob results in a zero-length BLOB.
-#[cfg(feature = "blob")]
-#[derive(Copy,Clone)]
-pub struct ZeroBlob(pub i32);
-
-#[cfg(feature = "blob")]
-impl ToSql for ZeroBlob {
-    unsafe fn bind_parameter(&self, stmt: *mut sqlite3_stmt, col: c_int) -> c_int {
-        let ZeroBlob(length) = *self;
-        ffi::sqlite3_bind_zeroblob(stmt, col, length)
-    }
-}
-
 macro_rules! raw_from_impl(
     ($t:ty, $f:ident, $c:expr) => (
         impl FromSql for $t {