fix unused variables in meson

examples/example1/meson.build

@@ -1,8 +1,5 @@
 
-
-example1_sources = files(
-    'main.cpp'
-)
+example1_sources = files('main.cpp')
 
 example1_args = []
 
@@ -11,10 +8,11 @@ if host_machine.system() == 'windows'
     example1_args += ['-D_CRT_SECURE_NO_WARNINGS']
 endif
 
-
-sqlitecpp_demo1_exe = executable('SQLITECPP_sample_demo1',
-                            sqlitecpp_sample1_srcs,
-                            dependencies: sqlitecpp_dep,
-                            # inherit the default options from sqlitecpp
-                            override_options: sqlitecpp_opts,
-                            cpp_args: example1_args,)
+executable(
+    'SQLITECPP_sample_demo1',
+    sources: example1_sources,
+    dependencies: sqlitecpp_dep,
+    # inherit the default options from sqlitecpp
+    override_options: sqlitecpp_opts,
+    cpp_args: example1_args,
+)

examples/example2/meson.build

@@ -1,14 +1,13 @@
-example2_srcs = files(
-    'src/main.cpp'
-)
+example2_srcs = files('src/main.cpp')
 
 # if running on windows define _CRT_SECURE_NO_WARNINGS
 example2_args = []
 
-
-sqlitecpp_demo2_exe = executable('SQLITECPP_sample_demo2',
-                            sqlitecpp_sample2_srcs,
-                            dependencies: sqlitecpp_dep,
-                            # inherit the default options from sqlitecpp
-                            override_options: sqlitecpp_opts,
-                            cpp_args: example2_args)
+executable(
+    'SQLITECPP_sample_demo2',
+    example2_srcs,
+    dependencies: sqlitecpp_dep,
+    # inherit the default options from sqlitecpp
+    override_options: sqlitecpp_opts,
+    cpp_args: example2_args,
+)

meson.build

@@ -86,14 +86,6 @@ sqlitecpp_test_srcs = files(
 )
 sqlitecpp_test_args = []
 
-## samples
-
-sqlitecpp_sample1_srcs = files(
-    'examples/example1/main.cpp',
-)
-sqlitecpp_sample2_srcs = files(
-    'examples/example2/src/main.cpp',
-)
 
 ## using MSVC headers requires c++14, if not will show an error on xstddef as: 
 ## 'auto' return without trailing return type; deduced return types are a C++14 extension