1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
// Tests that lint levels can be set for early lints.
#![allow(non_camel_case_types, unsafe_code, while_true, unused_parens)]
// The following is a check of the lints used here to verify they do not warn
// when allowed.
fn verify_no_warnings() {
type non_camel_type = i32; // non_camel_case_types
struct NON_CAMEL_IS_ALLOWED; // non_camel_case_types
unsafe {} // unsafe_code
enum Enum {
VARIANT_CAMEL // non_camel_case_types
}
fn generics<foo>() {} // non_camel_case_types
while true {} // while_true
type T = (i32); // unused_parens
}
// ################## Types
#[deny(non_camel_case_types)]
type type_outer = i32; //~ ERROR type `type_outer` should have an upper camel case name
type BareFnPtr = fn(#[deny(unused_parens)](i32)); //~ ERROR unnecessary parentheses around type
// There aren't any early lints that currently apply to the variadic spot.
// type BareFnPtrVariadic = extern "C" fn(i32, #[deny()]...);
// ################## Items
#[deny(non_camel_case_types)]
struct ITEM_OUTER; //~ ERROR type `ITEM_OUTER` should have an upper camel case name
mod module_inner {
#![deny(unsafe_code)]
fn f() {
unsafe {} //~ ERROR usage of an `unsafe` block
}
}
struct Associated;
impl Associated {
#![deny(unsafe_code)]
fn inherent_denied_from_inner() { unsafe {} } //~ usage of an `unsafe` block
#[deny(while_true)]
fn inherent_fn() { while true {} } //~ ERROR denote infinite loops with
#[deny(while_true)]
const INHERENT_CONST: i32 = {while true {} 1}; //~ ERROR denote infinite loops with
}
trait trait_inner { //~ ERROR trait `trait_inner` should have an upper camel case name
#![deny(non_camel_case_types)]
}
trait AssociatedTrait {
#![deny(unsafe_code)]
fn denied_from_inner() { unsafe {} } //~ ERROR usage of an `unsafe` block
#[deny(while_true)]
fn assoc_fn() { while true {} } //~ ERROR denote infinite loops with
#[deny(while_true)]
const ASSOC_CONST: i32 = {while true {} 1}; //~ ERROR denote infinite loops with
#[deny(non_camel_case_types)]
type assoc_type; //~ ERROR associated type `assoc_type` should have an upper camel case name
}
impl AssociatedTrait for Associated {
#![deny(unsafe_code)]
fn denied_from_inner() { unsafe {} } //~ ERROR usage of an `unsafe` block
#[deny(while_true)]
fn assoc_fn() { while true {} } //~ ERROR denote infinite loops with
#[deny(while_true)]
const ASSOC_CONST: i32 = {while true {} 1}; //~ ERROR denote infinite loops with
#[deny(unused_parens)]
type assoc_type = (i32); //~ ERROR unnecessary parentheses around type
}
struct StructFields {
#[deny(unused_parens)]f1: (i32), //~ ERROR unnecessary parentheses around type
}
struct StructTuple(#[deny(unused_parens)](i32)); //~ ERROR unnecessary parentheses around type
enum Enum {
#[deny(non_camel_case_types)]
VARIANT_CAMEL, //~ ERROR variant `VARIANT_CAMEL` should have an upper camel case name
}
extern "C" {
#![deny(unused_parens)]
fn foreign_denied_from_inner(x: (i32)); //~ ERROR unnecessary parentheses around type
}
extern "C" {
#[deny(unused_parens)]
fn foreign_denied_from_outer(x: (i32)); //~ ERROR unnecessary parentheses around type
}
fn function(#[deny(unused_parens)] param: (i32)) {} //~ ERROR unnecessary parentheses around type
fn generics<#[deny(non_camel_case_types)]foo>() {} //~ ERROR type parameter `foo` should have an upper camel case name
// ################## Statements
fn statements() {
#[deny(unused_parens)]
let x = (1); //~ ERROR unnecessary parentheses around assigned value
}
// ################## Expressions
fn expressions() {
let closure = |#[deny(unused_parens)] param: (i32)| {}; //~ ERROR unnecessary parentheses around type
struct Match{f1: i32}
// Strangely unused_parens doesn't fire with {f1: (123)}
let f = Match{#[deny(unused_parens)]f1: {(123)}}; //~ ERROR unnecessary parentheses around block return value
match f {
#![deny(unsafe_code)]
#[deny(while_true)]
Match{f1} => {
unsafe {} //~ ERROR usage of an `unsafe` block
while true {} //~ ERROR denote infinite loops with
}
}
match f {
#[deny(ellipsis_inclusive_range_patterns)]
Match{f1: 0...100} => {}
//~^ ERROR range patterns are deprecated
//~| WARNING this is accepted in the current edition
_ => {}
}
// Statement Block
{
#![deny(unsafe_code)]
unsafe {} //~ ERROR usage of an `unsafe` block
}
let block_tail: () = {
#[deny(unsafe_code)]
unsafe {} //~ ERROR usage of an `unsafe` block
};
// Before expression as a statement.
#[deny(unsafe_code)]
unsafe {}; //~ ERROR usage of an `unsafe` block
[#[deny(unsafe_code)] unsafe {123}]; //~ ERROR usage of an `unsafe` block
(#[deny(unsafe_code)] unsafe {123},); //~ ERROR usage of an `unsafe` block
fn call(p: i32) {}
call(#[deny(unsafe_code)] unsafe {123}); //~ ERROR usage of an `unsafe` block
struct TupleStruct(i32);
TupleStruct(#[deny(unsafe_code)] unsafe {123}); //~ ERROR usage of an `unsafe` block
}
// ################## Patterns
fn patterns() {
struct PatField{f1: i32, f2: i32};
let f = PatField{f1: 1, f2: 2};
match f {
PatField {
#[deny(ellipsis_inclusive_range_patterns)]
f1: 0...100,
//~^ ERROR range patterns are deprecated
//~| WARNING this is accepted in the current edition
..
} => {}
_ => {}
}
}
fn main() {}
|
