[rustc.git] / src / test / ui / consts / min_const_fn / min_const_fn.nll.stderr

error[E0493]: destructors cannot be evaluated at compile-time
  --> $DIR/min_const_fn.rs:49:25
   |
LL |     const fn into_inner(self) -> T { self.0 } //~ destructors cannot be evaluated
   |                         ^^^^ constant functions cannot evaluate destructors

error: mutable references in const fn are unstable
  --> $DIR/min_const_fn.rs:51:5
   |
LL |     const fn get_mut(&mut self) -> &mut T { &mut self.0 }
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error[E0493]: destructors cannot be evaluated at compile-time
  --> $DIR/min_const_fn.rs:56:28
   |
LL |     const fn into_inner_lt(self) -> T { self.0 } //~ destructors cannot be evaluated
   |                            ^^^^ constant functions cannot evaluate destructors

error: mutable references in const fn are unstable
  --> $DIR/min_const_fn.rs:58:5
   |
LL |     const fn get_mut_lt(&'a mut self) -> &mut T { &mut self.0 }
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error[E0493]: destructors cannot be evaluated at compile-time
  --> $DIR/min_const_fn.rs:63:27
   |
LL |     const fn into_inner_s(self) -> T { self.0 } //~ ERROR destructors
   |                           ^^^^ constant functions cannot evaluate destructors

error: mutable references in const fn are unstable
  --> $DIR/min_const_fn.rs:65:5
   |
LL |     const fn get_mut_s(&mut self) -> &mut T { &mut self.0 }
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: mutable references in const fn are unstable
  --> $DIR/min_const_fn.rs:70:5
   |
LL |     const fn get_mut_sq(&mut self) -> &mut T { &mut self.0 }
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: trait bounds other than `Sized` on const fn parameters are unstable
  --> $DIR/min_const_fn.rs:88:16
   |
LL | const fn foo11<T: std::fmt::Display>(t: T) -> T { t }
   |                ^

error: trait bounds other than `Sized` on const fn parameters are unstable
  --> $DIR/min_const_fn.rs:90:18
   |
LL | const fn foo11_2<T: Send>(t: T) -> T { t }
   |                  ^

error: only int, `bool` and `char` operations are stable in const fn
  --> $DIR/min_const_fn.rs:92:33
   |
LL | const fn foo19(f: f32) -> f32 { f * 2.0 }
   |                                 ^^^^^^^

error: only int, `bool` and `char` operations are stable in const fn
  --> $DIR/min_const_fn.rs:94:35
   |
LL | const fn foo19_2(f: f32) -> f32 { 2.0 - f }
   |                                   ^^^^^^^

error: only int and `bool` operations are stable in const fn
  --> $DIR/min_const_fn.rs:96:35
   |
LL | const fn foo19_3(f: f32) -> f32 { -f }
   |                                   ^^

error: only int, `bool` and `char` operations are stable in const fn
  --> $DIR/min_const_fn.rs:98:43
   |
LL | const fn foo19_4(f: f32, g: f32) -> f32 { f / g }
   |                                           ^^^^^

error: cannot access `static` items in const fn
  --> $DIR/min_const_fn.rs:102:27
   |
LL | const fn foo25() -> u32 { BAR } //~ ERROR cannot access `static` items in const fn
   |                           ^^^

error: cannot access `static` items in const fn
  --> $DIR/min_const_fn.rs:103:36
   |
LL | const fn foo26() -> &'static u32 { &BAR } //~ ERROR cannot access `static` items
   |                                    ^^^^

error: casting pointers to ints is unstable in const fn
  --> $DIR/min_const_fn.rs:104:42
   |
LL | const fn foo30(x: *const u32) -> usize { x as usize }
   |                                          ^^^^^^^^^^

error: casting pointers to ints is unstable in const fn
  --> $DIR/min_const_fn.rs:106:42
   |
LL | const fn foo30_2(x: *mut u32) -> usize { x as usize }
   |                                          ^^^^^^^^^^

error: `if`, `match`, `&&` and `||` are not stable in const fn
  --> $DIR/min_const_fn.rs:108:38
   |
LL | const fn foo30_4(b: bool) -> usize { if b { 1 } else { 42 } }
   |                                      ^^^^^^^^^^^^^^^^^^^^^^

error: `if`, `match`, `&&` and `||` are not stable in const fn
  --> $DIR/min_const_fn.rs:110:29
   |
LL | const fn foo30_5(b: bool) { while b { } } //~ ERROR not stable in const fn
   |                             ^^^^^^^^^^^

error: local variables in const fn are unstable
  --> $DIR/min_const_fn.rs:111:34
   |
LL | const fn foo30_6() -> bool { let x = true; x } //~ ERROR local variables in const fn are unstable
   |                                  ^

error: `if`, `match`, `&&` and `||` are not stable in const fn
  --> $DIR/min_const_fn.rs:112:44
   |
LL | const fn foo36(a: bool, b: bool) -> bool { a && b }
   |                                            ^^^^^^

error: `if`, `match`, `&&` and `||` are not stable in const fn
  --> $DIR/min_const_fn.rs:114:44
   |
LL | const fn foo37(a: bool, b: bool) -> bool { a || b }
   |                                            ^^^^^^

error: mutable references in const fn are unstable
  --> $DIR/min_const_fn.rs:116:14
   |
LL | const fn inc(x: &mut i32) { *x += 1 }
   |              ^

error: trait bounds other than `Sized` on const fn parameters are unstable
  --> $DIR/min_const_fn.rs:121:6
   |
LL | impl<T: std::fmt::Debug> Foo<T> {
   |      ^

error: trait bounds other than `Sized` on const fn parameters are unstable
  --> $DIR/min_const_fn.rs:126:6
   |
LL | impl<T: std::fmt::Debug + Sized> Foo<T> {
   |      ^

error: trait bounds other than `Sized` on const fn parameters are unstable
  --> $DIR/min_const_fn.rs:131:6
   |
LL | impl<T: Sync + Sized> Foo<T> {
   |      ^

error: `impl Trait` in const fn is unstable
  --> $DIR/min_const_fn.rs:137:1
   |
LL | const fn no_rpit2() -> AlanTuring<impl std::fmt::Debug> { AlanTuring(0) }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: trait bounds other than `Sized` on const fn parameters are unstable
  --> $DIR/min_const_fn.rs:139:34
   |
LL | const fn no_apit2(_x: AlanTuring<impl std::fmt::Debug>) {}
   |                                  ^^^^^^^^^^^^^^^^^^^^

error: trait bounds other than `Sized` on const fn parameters are unstable
  --> $DIR/min_const_fn.rs:141:22
   |
LL | const fn no_apit(_x: impl std::fmt::Debug) {} //~ ERROR trait bounds other than `Sized`
   |                      ^^^^^^^^^^^^^^^^^^^^

error: `impl Trait` in const fn is unstable
  --> $DIR/min_const_fn.rs:142:1
   |
LL | const fn no_rpit() -> impl std::fmt::Debug {} //~ ERROR `impl Trait` in const fn is unstable
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: trait bounds other than `Sized` on const fn parameters are unstable
  --> $DIR/min_const_fn.rs:143:23
   |
LL | const fn no_dyn_trait(_x: &dyn std::fmt::Debug) {} //~ ERROR trait bounds other than `Sized`
   |                       ^^

error: trait bounds other than `Sized` on const fn parameters are unstable
  --> $DIR/min_const_fn.rs:144:1
   |
LL | const fn no_dyn_trait_ret() -> &'static dyn std::fmt::Debug { &() }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error[E0597]: borrowed value does not live long enough
  --> $DIR/min_const_fn.rs:144:64
   |
LL | const fn no_dyn_trait_ret() -> &'static dyn std::fmt::Debug { &() }
   |                                                                ^^ - temporary value only lives until here
   |                                                                |
   |                                                                temporary value does not live long enough
   |
   = note: borrowed value must be valid for the static lifetime...

error: trait bounds other than `Sized` on const fn parameters are unstable
  --> $DIR/min_const_fn.rs:149:41
   |
LL | const fn really_no_traits_i_mean_it() { (&() as &std::fmt::Debug, ()).1 }
   |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: function pointers in const fn are unstable
  --> $DIR/min_const_fn.rs:152:21
   |
LL | const fn no_fn_ptrs(_x: fn()) {}
   |                     ^^

error: function pointers in const fn are unstable
  --> $DIR/min_const_fn.rs:154:1
   |
LL | const fn no_fn_ptrs2() -> fn() { fn foo() {} foo }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 36 previous errors

Some errors occurred: E0493, E0597.
For more information about an error, try `rustc --explain E0493`.
Commit	Line	Data
b7449926 XL	1	error[E0493]: destructors cannot be evaluated at compile-time
	2	--> $DIR/min_const_fn.rs:49:25
	3	\|
	4	LL \| const fn into_inner(self) -> T { self.0 } //~ destructors cannot be evaluated
	5	\| ^^^^ constant functions cannot evaluate destructors
	6
	7	error: mutable references in const fn are unstable
	8	--> $DIR/min_const_fn.rs:51:5
	9	\|
	10	LL \| const fn get_mut(&mut self) -> &mut T { &mut self.0 }
	11	\| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
	12
	13	error[E0493]: destructors cannot be evaluated at compile-time
	14	--> $DIR/min_const_fn.rs:56:28
	15	\|
	16	LL \| const fn into_inner_lt(self) -> T { self.0 } //~ destructors cannot be evaluated
	17	\| ^^^^ constant functions cannot evaluate destructors
	18
	19	error: mutable references in const fn are unstable
	20	--> $DIR/min_const_fn.rs:58:5
	21	\|
	22	LL \| const fn get_mut_lt(&'a mut self) -> &mut T { &mut self.0 }
	23	\| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
	24
	25	error[E0493]: destructors cannot be evaluated at compile-time
	26	--> $DIR/min_const_fn.rs:63:27
	27	\|
	28	LL \| const fn into_inner_s(self) -> T { self.0 } //~ ERROR destructors
	29	\| ^^^^ constant functions cannot evaluate destructors
	30
	31	error: mutable references in const fn are unstable
	32	--> $DIR/min_const_fn.rs:65:5
	33	\|
	34	LL \| const fn get_mut_s(&mut self) -> &mut T { &mut self.0 }
	35	\| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
	36
	37	error: mutable references in const fn are unstable
	38	--> $DIR/min_const_fn.rs:70:5
	39	\|
	40	LL \| const fn get_mut_sq(&mut self) -> &mut T { &mut self.0 }
	41	\| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
	42
	43	error: trait bounds other than `Sized` on const fn parameters are unstable
	44	--> $DIR/min_const_fn.rs:88:16
	45	\|
	46	LL \| const fn foo11<T: std::fmt::Display>(t: T) -> T { t }
	47	\| ^
	48
	49	error: trait bounds other than `Sized` on const fn parameters are unstable
	50	--> $DIR/min_const_fn.rs:90:18
	51	\|
	52	LL \| const fn foo11_2<T: Send>(t: T) -> T { t }
	53	\| ^
	54
	55	error: only int, `bool` and `char` operations are stable in const fn
	56	--> $DIR/min_const_fn.rs:92:33
	57	\|
	58	LL \| const fn foo19(f: f32) -> f32 { f * 2.0 }
	59	\| ^^^^^^^
	60
	61	error: only int, `bool` and `char` operations are stable in const fn
	62	--> $DIR/min_const_fn.rs:94:35
	63	\|
	64	LL \| const fn foo19_2(f: f32) -> f32 { 2.0 - f }
65	\| ^^^^^^^
66
67	error: only int and `bool` operations are stable in const fn
68	--> $DIR/min_const_fn.rs:96:35
69	\|
70	LL \| const fn foo19_3(f: f32) -> f32 { -f }
71	\| ^^
72
73	error: only int, `bool` and `char` operations are stable in const fn
74	--> $DIR/min_const_fn.rs:98:43
75	\|
76	LL \| const fn foo19_4(f: f32, g: f32) -> f32 { f / g }
77	\| ^^^^^
78
79	error: cannot access `static` items in const fn
80	--> $DIR/min_const_fn.rs:102:27
81	\|
82	LL \| const fn foo25() -> u32 { BAR } //~ ERROR cannot access `static` items in const fn
83	\| ^^^
84
85	error: cannot access `static` items in const fn
86	--> $DIR/min_const_fn.rs:103:36
87	\|
88	LL \| const fn foo26() -> &'static u32 { &BAR } //~ ERROR cannot access `static` items
89	\| ^^^^
90
91	error: casting pointers to ints is unstable in const fn
92	--> $DIR/min_const_fn.rs:104:42
93	\|
94	LL \| const fn foo30(x: *const u32) -> usize { x as usize }
95	\| ^^^^^^^^^^
96
97	error: casting pointers to ints is unstable in const fn
98	--> $DIR/min_const_fn.rs:106:42
99	\|
100	LL \| const fn foo30_2(x: *mut u32) -> usize { x as usize }
101	\| ^^^^^^^^^^
102
103	error: `if`, `match`, `&&` and `\|\|` are not stable in const fn
104	--> $DIR/min_const_fn.rs:108:38
105	\|
106	LL \| const fn foo30_4(b: bool) -> usize { if b { 1 } else { 42 } }
107	\| ^^^^^^^^^^^^^^^^^^^^^^
108
109	error: `if`, `match`, `&&` and `\|\|` are not stable in const fn
110	--> $DIR/min_const_fn.rs:110:29
111	\|
112	LL \| const fn foo30_5(b: bool) { while b { } } //~ ERROR not stable in const fn
113	\| ^^^^^^^^^^^
114
115	error: local variables in const fn are unstable
116	--> $DIR/min_const_fn.rs:111:34
117	\|
118	LL \| const fn foo30_6() -> bool { let x = true; x } //~ ERROR local variables in const fn are unstable
119	\| ^
120
121	error: `if`, `match`, `&&` and `\|\|` are not stable in const fn
122	--> $DIR/min_const_fn.rs:112:44
123	\|
124	LL \| const fn foo36(a: bool, b: bool) -> bool { a && b }
125	\| ^^^^^^
126
127	error: `if`, `match`, `&&` and `\|\|` are not stable in const fn
128	--> $DIR/min_const_fn.rs:114:44
129	\|
130	LL \| const fn foo37(a: bool, b: bool) -> bool { a \|\| b }
131	\| ^^^^^^
132
133	error: mutable references in const fn are unstable
134	--> $DIR/min_const_fn.rs:116:14
135	\|
136	LL \| const fn inc(x: &mut i32) { *x += 1 }
137	\| ^
138
139	error: trait bounds other than `Sized` on const fn parameters are unstable
140	--> $DIR/min_const_fn.rs:121:6
141	\|
142	LL \| impl<T: std::fmt::Debug> Foo<T> {
143	\| ^
144
145	error: trait bounds other than `Sized` on const fn parameters are unstable
146	--> $DIR/min_const_fn.rs:126:6
147	\|
148	LL \| impl<T: std::fmt::Debug + Sized> Foo<T> {
149	\| ^
150
151	error: trait bounds other than `Sized` on const fn parameters are unstable
152	--> $DIR/min_const_fn.rs:131:6
153	\|
154	LL \| impl<T: Sync + Sized> Foo<T> {
155	\| ^
156
157	error: `impl Trait` in const fn is unstable
158	--> $DIR/min_const_fn.rs:137:1
159	\|
160	LL \| const fn no_rpit2() -> AlanTuring<impl std::fmt::Debug> { AlanTuring(0) }
161	\| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
162
163	error: trait bounds other than `Sized` on const fn parameters are unstable
164	--> $DIR/min_const_fn.rs:139:34
165	\|
166	LL \| const fn no_apit2(_x: AlanTuring<impl std::fmt::Debug>) {}
167	\| ^^^^^^^^^^^^^^^^^^^^
168
169	error: trait bounds other than `Sized` on const fn parameters are unstable
170	--> $DIR/min_const_fn.rs:141:22
171	\|
172	LL \| const fn no_apit(_x: impl std::fmt::Debug) {} //~ ERROR trait bounds other than `Sized`
173	\| ^^^^^^^^^^^^^^^^^^^^
174
175	error: `impl Trait` in const fn is unstable
176	--> $DIR/min_const_fn.rs:142:1
177	\|
178	LL \| const fn no_rpit() -> impl std::fmt::Debug {} //~ ERROR `impl Trait` in const fn is unstable
179	\| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
180
181	error: trait bounds other than `Sized` on const fn parameters are unstable
182	--> $DIR/min_const_fn.rs:143:23
183	\|
184	LL \| const fn no_dyn_trait(_x: &dyn std::fmt::Debug) {} //~ ERROR trait bounds other than `Sized`
185	\| ^^
186
187	error: trait bounds other than `Sized` on const fn parameters are unstable
188	--> $DIR/min_const_fn.rs:144:1
189	\|
190	LL \| const fn no_dyn_trait_ret() -> &'static dyn std::fmt::Debug { &() }
191	\| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
192
193	error[E0597]: borrowed value does not live long enough
194	--> $DIR/min_const_fn.rs:144:64
195	\|
196	LL \| const fn no_dyn_trait_ret() -> &'static dyn std::fmt::Debug { &() }
197	\| ^^ - temporary value only lives until here
198	\| \|
199	\| temporary value does not live long enough
200	\|
201	= note: borrowed value must be valid for the static lifetime...
202
203	error: trait bounds other than `Sized` on const fn parameters are unstable
204	--> $DIR/min_const_fn.rs:149:41
205	\|
206	LL \| const fn really_no_traits_i_mean_it() { (&() as &std::fmt::Debug, ()).1 }
207	\| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
208
209	error: function pointers in const fn are unstable
210	--> $DIR/min_const_fn.rs:152:21
211	\|
212	LL \| const fn no_fn_ptrs(_x: fn()) {}
213	\| ^^
214
215	error: function pointers in const fn are unstable
216	--> $DIR/min_const_fn.rs:154:1
217	\|
218	LL \| const fn no_fn_ptrs2() -> fn() { fn foo() {} foo }
219	\| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
220
221	error: aborting due to 36 previous errors
222
223	Some errors occurred: E0493, E0597.
224	For more information about an error, try `rustc --explain E0493`.