Updated to Crystal > 0.15.0

shard.yml

@@ -1,5 +1,5 @@
 name: sqlite3
-version: 0.2.0
+version: 0.3.0
 
 authors:
   - Ary Borenszweig <aborenszweig@manas.com.ar>

src/sqlite3/database.cr

@@ -59,7 +59,7 @@ class SQLite3::Database
   #    ```
   def dump(to : SQLite3::Database)
     backup_item = LibSQLite3.backup_init(to.@db, "main", @db, "main")
-    if backup_item.nil?
+    if backup_item.null?
       raise Exception.new(to.@db)
     end
     code = LibSQLite3.backup_step(backup_item, -1)

src/sqlite3/result_set.cr

@@ -17,7 +17,7 @@
 # ```
 class SQLite3::ResultSet
   # :nodoc:
-  def initialize(@statement)
+  def initialize(@statement : Statement)
   end
 
   # Returns the number of columns.
@@ -50,7 +50,7 @@ class SQLite3::ResultSet
     when LibSQLite3::Code::DONE
       false
     else
-      raise Exception.new(@db)
+      raise Exception.new(@statement.db)
     end
   end
 

src/sqlite3/statement.cr

@@ -1,7 +1,9 @@
 # A statement represents a prepared-but-unexecuted SQL query.
 class SQLite3::Statement
+  getter db
+
   # :nodoc:
-  def initialize(@db, sql)
+  def initialize(@db : Database, sql : String)
     check LibSQLite3.prepare_v2(@db, sql, sql.bytesize + 1, out @stmt, nil)
     @closed = false
   end