diff --git a/vlib/builtin/array_test.v b/vlib/builtin/array_test.v
index 61e21da77c..25099ef15f 100644
--- a/vlib/builtin/array_test.v
+++ b/vlib/builtin/array_test.v
@@ -65,12 +65,12 @@ struct K {
 }
 
 fn test_empty() {
-	mut chunks := []Chunk
+	mut chunks := []
 	a := Chunk{}
 	assert chunks.len == 0
 	chunks << a
 	assert chunks.len == 1
-	chunks = []Chunk
+	chunks = []
 	assert chunks.len == 0
 	chunks << a
 	assert chunks.len == 1
diff --git a/vlib/compiler/parser.v b/vlib/compiler/parser.v
index 90091a715c..719a8ee94c 100644
--- a/vlib/compiler/parser.v
+++ b/vlib/compiler/parser.v
@@ -2428,13 +2428,14 @@ fn (p mut Parser) array_init() string {
 	if p.tok != .name && i == 0 && !exp_array {
 		p.error('specify array type: `[]typ` instead of `[]`')
 	}
-	if p.tok == .name && i == 0 {
+	if p.tok == .name && i == 0 &&
+		p.tokens[p.token_idx-2].line_nr == p.tokens[p.token_idx-1].line_nr { // TODO
 		// vals.len == 0 {
 		if exp_array {
 			p.error('use `foo = []` instead of `foo = []Type`')
 		}	
 		typ = p.get_type()
-	} else if exp_array {
+	} else if exp_array && i == 0 {
 		// allow `known_array = []`
 		typ = p.expected_type[6..]
 	}	
diff --git a/vlib/crypto/md5/md5.v b/vlib/crypto/md5/md5.v
index ce4c533e25..fcc9328b4a 100644
--- a/vlib/crypto/md5/md5.v
+++ b/vlib/crypto/md5/md5.v
@@ -67,7 +67,7 @@ pub fn (d mut Digest) write(p_ []byte) int {
 			d.nx = 0
 		}
 		if n >= p.len {
-			p = []byte
+			p = []
 		} else {
 			p = p[n..]
 		}
@@ -76,7 +76,7 @@ pub fn (d mut Digest) write(p_ []byte) int {
 		n := p.len &~ (block_size - 1)
 		block(mut d, p[..n])
 		if n >= p.len {
-			p = []byte
+			p = []
 		} else {
 			p = p[n..]
 		}
diff --git a/vlib/crypto/sha1/sha1.v b/vlib/crypto/sha1/sha1.v
index ca96b4891f..fb3c94dab2 100644
--- a/vlib/crypto/sha1/sha1.v
+++ b/vlib/crypto/sha1/sha1.v
@@ -8,7 +8,7 @@
 // applications.
 
 // Based off:   https://github.com/golang/go/blob/master/src/crypto/sha1
-// Last commit: https://github.com/golang/go/commit/3ce865d7a0b88714cc433454ae2370a105210c01 
+// Last commit: https://github.com/golang/go/commit/3ce865d7a0b88714cc433454ae2370a105210c01
 
 module sha1
 
@@ -71,7 +71,7 @@ pub fn (d mut Digest) write(p_ []byte) int {
 			d.nx = 0
 		}
 		if n >= p.len {
-			p = []byte
+			p = []
 		} else {
 			p = p[n..]
 		}
@@ -80,7 +80,7 @@ pub fn (d mut Digest) write(p_ []byte) int {
 		n := p.len &~ (chunk - 1)
 		block(d, p[..n])
 		if n >= p.len {
-			p = []byte
+			p = []
 		} else {
 			p = p[n..]
 		}
diff --git a/vlib/crypto/sha512/sha512.v b/vlib/crypto/sha512/sha512.v
index b804286d99..a6c4dc7b50 100644
--- a/vlib/crypto/sha512/sha512.v
+++ b/vlib/crypto/sha512/sha512.v
@@ -163,7 +163,7 @@ fn (d mut Digest) write(p_ []byte) int {
 			d.nx = 0
 		}
 		if n >= p.len {
-			p = []byte
+			p = []
 		} else {
 			p = p[n..]
 		}
@@ -172,7 +172,7 @@ fn (d mut Digest) write(p_ []byte) int {
 		n := p.len &~ (Chunk - 1)
 		block(mut d, p[..n])
 		if n >= p.len {
-			p = []byte
+			p = []
 		} else {
 			p = p[n..]
 		}
diff --git a/vlib/flag/flag_test.v b/vlib/flag/flag_test.v
index 10ccbe8286..4e2bf7de0b 100644
--- a/vlib/flag/flag_test.v
+++ b/vlib/flag/flag_test.v
@@ -2,8 +2,8 @@
 import flag
 
 fn test_if_flag_not_given_return_default_values() {
-  mut fp := flag.new_flag_parser([]string)
-  
+  mut fp := flag.new_flag_parser([])
+
   assert false == fp.bool('a_bool', false, '')
     && 42 == fp.int('an_int', 42, '')
     && 1.0 == fp.float('a_float', 1.0, '')
@@ -12,7 +12,7 @@ fn test_if_flag_not_given_return_default_values() {
 
 
 fn test_could_define_application_name_and_version() {
-  mut fp := flag.new_flag_parser([]string)
+  mut fp := flag.new_flag_parser([])
   fp.application('test app')
   fp.version('0.0.42')
   fp.description('some text')
@@ -30,12 +30,12 @@ fn test_bool_flags_do_not_need_an_value() {
 
 fn test_flags_could_be_defined_with_eq() {
   mut fp := flag.new_flag_parser([
-    '--an_int=42', 
+    '--an_int=42',
     '--a_float=2.0',
     '--bool_without',
     '--a_string=stuff',
     '--a_bool=true'])
-  
+
   assert 42 == fp.int('an_int', 666, '')
     && true == fp.bool('a_bool', false, '')
     && true == fp.bool('bool_without', false, '')
@@ -45,12 +45,12 @@ fn test_flags_could_be_defined_with_eq() {
 
 fn test_values_could_be_defined_without_eq() {
   mut fp := flag.new_flag_parser([
-    '--an_int', '42', 
+    '--an_int', '42',
     '--a_float', '2.0',
     '--bool_without',
     '--a_string', 'stuff',
     '--a_bool', 'true'])
-  
+
   assert 42 == fp.int('an_int', 666, '')
     && true == fp.bool('a_bool', false, '')
     && true == fp.bool('bool_without', false, '')
@@ -60,12 +60,12 @@ fn test_values_could_be_defined_without_eq() {
 
 fn test_values_could_be_defined_mixed() {
   mut fp := flag.new_flag_parser([
-    '--an_int', '42', 
+    '--an_int', '42',
     '--a_float=2.0',
     '--bool_without',
     '--a_string', 'stuff',
     '--a_bool=true'])
-  
+
   assert 42 == fp.int('an_int', 666, '')
     && true == fp.bool('a_bool', false, '')
     && true == fp.bool('bool_without', false, '')
@@ -75,10 +75,10 @@ fn test_values_could_be_defined_mixed() {
 
 fn test_beaware_for_argument_names_with_same_prefix() {
   mut fp := flag.new_flag_parser([
-    '--short', '5', 
+    '--short', '5',
     '--shorter=7'
     ])
-  
+
   assert 5 == fp.int('short', 666, '')
     && 7 == fp.int('shorter', 666, '')
 }
@@ -86,18 +86,18 @@ fn test_beaware_for_argument_names_with_same_prefix() {
 fn test_beaware_for_argument_names_with_same_prefix_inverse() {
   mut fp := flag.new_flag_parser([
     '--shorter=7',
-    '--short', '5', 
+    '--short', '5',
     ])
-  
+
   assert 5 == fp.int('short', 666, '')
     && 7 == fp.int('shorter', 666, '')
 }
 
 fn test_allow_to_skip_executable_path() {
   mut fp := flag.new_flag_parser(['./path/to/execuable'])
-  
+
   fp.skip_executable()
-  
+
   args := fp.finalize() or {
     assert false
     return
@@ -108,7 +108,7 @@ fn test_allow_to_skip_executable_path() {
 fn test_none_flag_arguments_are_allowed() {
   mut fp := flag.new_flag_parser([
     'file1', '--an_int=2', 'file2', 'file3', '--bool_without', 'file4', '--outfile', 'outfile'])
-  
+
   assert 2 == fp.int('an_int', 666, '')
     && 'outfile' == fp.string('outfile', 'bad', '')
     && true == fp.bool('bool_without', false, '')
@@ -124,7 +124,7 @@ fn test_finalize_returns_none_flag_arguments_ordered() {
   }
 
   expected := ['d', 'b', 'x', 'a']
-  mut all_as_expected := true 
+  mut all_as_expected := true
   for i, v in finalized {
     all_as_expected = all_as_expected && v == expected[i]
   }
@@ -133,7 +133,7 @@ fn test_finalize_returns_none_flag_arguments_ordered() {
 
 fn test_finalize_returns_error_for_unknown_flags() {
   mut fp := flag.new_flag_parser(['--known', '--unknown'])
-  
+
   fp.bool('known', false, '')
 
   finalized := fp.finalize() or {
@@ -155,10 +155,10 @@ fn test_allow_to_build_usage_message() {
   fp.bool('bool_without_but_really_big', false, 'this should appear on the next line')
   fp.float('a_float', 1.0, 'some float as well')
   fp.string('a_string', 'not_stuff', 'your credit card number')
-  
+
   usage := fp.usage()
   mut all_strings_found := true
-  for s in ['flag_tool', 'v0.0.0', 
+  for s in ['flag_tool', 'v0.0.0',
             'an_int <int>', 'a_bool', 'bool_without', 'a_float <float>', 'a_string <string>:not_stuff',
             'some int to define',
             'some bool to define',
@@ -182,7 +182,7 @@ fn test_if_no_description_given_usage_message_does_not_contain_descpription() {
   fp.version('v0.0.0')
 
   fp.bool('a_bool', false, '')
-  
+
   assert !fp.usage().contains('Description:')
 }
 
@@ -190,7 +190,7 @@ fn test_if_no_options_given_usage_message_does_not_contain_options() {
   mut fp := flag.new_flag_parser([]string)
   fp.application('flag_tool')
   fp.version('v0.0.0')
-  
+
   assert !fp.usage().contains('Options:')
 }
 
@@ -211,7 +211,7 @@ fn test_error_for_to_few_free_args() {
     assert err.starts_with('Expected at least 5 arguments')
     return
   }
-  assert args.len < 0 // expect an error and need to use args 
+  assert args.len < 0 // expect an error and need to use args
 }
 
 fn test_error_for_to_much_free_args() {
@@ -221,7 +221,7 @@ fn test_error_for_to_much_free_args() {
     assert err.starts_with('Expected at most 2 arguments')
     return
   }
-  assert args.len < 0 // expect an error and need to use args 
+  assert args.len < 0 // expect an error and need to use args
 }
 
 fn test_could_expect_no_free_args() {
@@ -231,7 +231,7 @@ fn test_could_expect_no_free_args() {
     assert err.starts_with('Expected no arguments')
     return
   }
-  assert args.len < 0 // expect an error and need to use args 
+  assert args.len < 0 // expect an error and need to use args
 }
 
 fn test_allow_abreviations() {
diff --git a/vlib/net/urllib/values.v b/vlib/net/urllib/values.v
index b475a9db4e..cf83280b64 100644
--- a/vlib/net/urllib/values.v
+++ b/vlib/net/urllib/values.v
@@ -18,7 +18,7 @@ mut:
 }
 
 // new_values returns a new Values struct for creating
-// urlencoded query string parameters. it can also be to 
+// urlencoded query string parameters. it can also be to
 // post form data with application/x-www-form-urlencoded.
 // values.encode() will return the encoded data
 pub fn new_values() Values {
@@ -53,11 +53,11 @@ pub fn (v &Values) get(key string) string {
 // a empty []string.
 pub fn (v &Values) get_all(key string) []string {
 	if v.data.size == 0 {
-		return []string
+		return []
 	}
 	vs := v.data[key]
 	if vs.data.len == 0 {
-		return []string
+		return []
 	}
 	return vs.data
 }
@@ -76,7 +76,7 @@ pub fn (v mut Values) set(key, value string) {
 pub fn (v mut Values) add(key, value string) {
 	mut a := v.data[key]
 	if a.data.len == 0 {
-		a.data = []string
+		a.data = []
 	}
 	a.data << value
 	v.data[key] = a