src/test/ui/if/ifmt-bad-arg.stderr

   1 error: 1 positional argument in format string, but no arguments were given
   2   --> $DIR/ifmt-bad-arg.rs:6:14
   3    |
   4 LL |     format!("{}");
   5    |              ^^
   6
   7 error: invalid reference to positional argument 1 (there is 1 argument)
   8   --> $DIR/ifmt-bad-arg.rs:9:14
   9    |
  10 LL |     format!("{1}", 1);
  11    |              ^^^
  12    |
  13    = note: positional arguments are zero-based
  14
  15 error: argument never used
  16   --> $DIR/ifmt-bad-arg.rs:9:20
  17    |
  18 LL |     format!("{1}", 1);
  19    |             -----  ^ argument never used
  20    |             |
  21    |             formatting specifier missing
  22
  23 error: 2 positional arguments in format string, but no arguments were given
  24   --> $DIR/ifmt-bad-arg.rs:13:14
  25    |
  26 LL |     format!("{} {}");
  27    |              ^^ ^^
  28
  29 error: invalid reference to positional argument 1 (there is 1 argument)
  30   --> $DIR/ifmt-bad-arg.rs:16:18
  31    |
  32 LL |     format!("{0} {1}", 1);
  33    |                  ^^^
  34    |
  35    = note: positional arguments are zero-based
  36
  37 error: invalid reference to positional argument 2 (there are 2 arguments)
  38   --> $DIR/ifmt-bad-arg.rs:19:22
  39    |
  40 LL |     format!("{0} {1} {2}", 1, 2);
  41    |                      ^^^
  42    |
  43    = note: positional arguments are zero-based
  44
  45 error: invalid reference to positional argument 2 (there are 2 arguments)
  46   --> $DIR/ifmt-bad-arg.rs:22:28
  47    |
  48 LL |     format!("{} {value} {} {}", 1, value=2);
  49    |                            ^^
  50    |
  51    = note: positional arguments are zero-based
  52
  53 error: invalid reference to positional arguments 3, 4 and 5 (there are 3 arguments)
  54   --> $DIR/ifmt-bad-arg.rs:24:38
  55    |
  56 LL |     format!("{name} {value} {} {} {} {} {} {}", 0, name=1, value=2);
  57    |                                      ^^ ^^ ^^
  58    |
  59    = note: positional arguments are zero-based
  60
  61 error: there is no argument named `foo`
  62   --> $DIR/ifmt-bad-arg.rs:27:17
  63    |
  64 LL |     format!("{} {foo} {} {bar} {}", 1, 2, 3);
  65    |                 ^^^^^
  66
  67 error: there is no argument named `bar`
  68   --> $DIR/ifmt-bad-arg.rs:27:26
  69    |
  70 LL |     format!("{} {foo} {} {bar} {}", 1, 2, 3);
  71    |                          ^^^^^
  72
  73 error: there is no argument named `foo`
  74   --> $DIR/ifmt-bad-arg.rs:31:14
  75    |
  76 LL |     format!("{foo}");
  77    |              ^^^^^
  78
  79 error: multiple unused formatting arguments
  80   --> $DIR/ifmt-bad-arg.rs:32:17
  81    |
  82 LL |     format!("", 1, 2);
  83    |             --  ^  ^ argument never used
  84    |             |   |
  85    |             |   argument never used
  86    |             multiple missing formatting specifiers
  87
  88 error: argument never used
  89   --> $DIR/ifmt-bad-arg.rs:33:22
  90    |
  91 LL |     format!("{}", 1, 2);
  92    |             ----     ^ argument never used
  93    |             |
  94    |             formatting specifier missing
  95
  96 error: argument never used
  97   --> $DIR/ifmt-bad-arg.rs:34:20
  98    |
  99 LL |     format!("{1}", 1, 2);
 100    |             -----  ^ argument never used
 101    |             |
 102    |             formatting specifier missing
 103
 104 error: named argument never used
 105   --> $DIR/ifmt-bad-arg.rs:35:26
 106    |
 107 LL |     format!("{}", 1, foo=2);
 108    |             ----         ^ named argument never used
 109    |             |
 110    |             formatting specifier missing
 111
 112 error: argument never used
 113   --> $DIR/ifmt-bad-arg.rs:36:22
 114    |
 115 LL |     format!("{foo}", 1, foo=2);
 116    |             -------  ^ argument never used
 117    |             |
 118    |             formatting specifier missing
 119
 120 error: named argument never used
 121   --> $DIR/ifmt-bad-arg.rs:37:21
 122    |
 123 LL |     format!("", foo=2);
 124    |             --      ^ named argument never used
 125    |             |
 126    |             formatting specifier missing
 127
 128 error: multiple unused formatting arguments
 129   --> $DIR/ifmt-bad-arg.rs:38:32
 130    |
 131 LL |     format!("{} {}", 1, 2, foo=1, bar=2);
 132    |             -------            ^      ^ named argument never used
 133    |             |                  |
 134    |             |                  named argument never used
 135    |             multiple missing formatting specifiers
 136
 137 error: duplicate argument named `foo`
 138   --> $DIR/ifmt-bad-arg.rs:40:33
 139    |
 140 LL |     format!("{foo}", foo=1, foo=2);
 141    |                                 ^
 142    |
 143 note: previously here
 144   --> $DIR/ifmt-bad-arg.rs:40:26
 145    |
 146 LL |     format!("{foo}", foo=1, foo=2);
 147    |                          ^
 148
 149 error: positional arguments cannot follow named arguments
 150   --> $DIR/ifmt-bad-arg.rs:41:35
 151    |
 152 LL |     format!("{foo} {} {}", foo=1, 2);
 153    |                                -  ^ positional arguments must be before named arguments
 154    |                                |
 155    |                                named argument
 156
 157 error: there is no argument named `valueb`
 158   --> $DIR/ifmt-bad-arg.rs:45:23
 159    |
 160 LL |     format!("{valuea} {valueb}", valuea=5, valuec=7);
 161    |                       ^^^^^^^^
 162
 163 error: named argument never used
 164   --> $DIR/ifmt-bad-arg.rs:45:51
 165    |
 166 LL |     format!("{valuea} {valueb}", valuea=5, valuec=7);
 167    |             -------------------                   ^ named argument never used
 168    |             |
 169    |             formatting specifier missing
 170
 171 error: invalid format string: expected `'}'` but string was terminated
 172   --> $DIR/ifmt-bad-arg.rs:51:15
 173    |
 174 LL |     format!("{");
 175    |              -^ expected `'}'` in format string
 176    |              |
 177    |              because of this opening brace
 178    |
 179    = note: if you intended to print `{`, you can escape it using `{{`
 180
 181 error: invalid format string: unmatched `}` found
 182   --> $DIR/ifmt-bad-arg.rs:53:18
 183    |
 184 LL |     format!("foo } bar");
 185    |                  ^ unmatched `}` in format string
 186    |
 187    = note: if you intended to print `}`, you can escape it using `}}`
 188
 189 error: invalid format string: unmatched `}` found
 190   --> $DIR/ifmt-bad-arg.rs:54:18
 191    |
 192 LL |     format!("foo }");
 193    |                  ^ unmatched `}` in format string
 194    |
 195    = note: if you intended to print `}`, you can escape it using `}}`
 196
 197 error: argument never used
 198   --> $DIR/ifmt-bad-arg.rs:56:27
 199    |
 200 LL |     format!("foo %s baz", "bar");
 201    |                  --       ^^^^^ argument never used
 202    |                  |
 203    |                  help: format specifiers use curly braces: `{}`
 204    |
 205    = note: printf formatting not supported; see the documentation for `std::fmt`
 206
 207 error: there is no argument named `foo`
 208   --> $DIR/ifmt-bad-arg.rs:60:9
 209    |
 210 LL |         {foo}
 211    |         ^^^^^
 212
 213 error: invalid format string: expected `'}'`, found `'t'`
 214   --> $DIR/ifmt-bad-arg.rs:75:1
 215    |
 216 LL | ninth number: {
 217    |               - because of this opening brace
 218 LL | tenth number: {}",
 219    | ^ expected `}` in format string
 220    |
 221    = note: if you intended to print `{`, you can escape it using `{{`
 222
 223 error: 4 positional arguments in format string, but there are 3 arguments
 224   --> $DIR/ifmt-bad-arg.rs:78:15
 225    |
 226 LL |     println!("{} {:.*} {}", 1, 3.2, 4);
 227    |               ^^ ^^--^ ^^   -  ---  -
 228    |                    |           |
 229    |                    |           this parameter corresponds to the precision flag
 230    |                    this precision flag adds an extra required argument at position 1, which is why there are 4 arguments expected
 231    |
 232    = note: positional arguments are zero-based
 233    = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html
 234
 235 error: 4 positional arguments in format string, but there are 3 arguments
 236   --> $DIR/ifmt-bad-arg.rs:81:15
 237    |
 238 LL |     println!("{} {:07$.*} {}", 1, 3.2, 4);
 239    |               ^^ ^^^----^ ^^   -  ---  -
 240    |                     | |           |
 241    |                     | |           this parameter corresponds to the precision flag
 242    |                     | this precision flag adds an extra required argument at position 1, which is why there are 4 arguments expected
 243    |                     this width flag expects an `usize` argument at position 7, but there are 3 arguments
 244    |
 245    = note: positional arguments are zero-based
 246    = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html
 247
 248 error: invalid reference to positional argument 7 (there are 3 arguments)
 249   --> $DIR/ifmt-bad-arg.rs:84:18
 250    |
 251 LL |     println!("{} {:07$} {}", 1, 3.2, 4);
 252    |                  ^^^--^
 253    |                     |
 254    |                     this width flag expects an `usize` argument at position 7, but there are 3 arguments
 255    |
 256    = note: positional arguments are zero-based
 257    = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html
 258
 259 error: unknown format trait `foo`
 260   --> $DIR/ifmt-bad-arg.rs:86:24
 261    |
 262 LL |     println!("{:foo}", 1);
 263    |                        ^
 264    |
 265    = note: the only appropriate formatting traits are:
 266            - ``, which uses the `Display` trait
 267            - `?`, which uses the `Debug` trait
 268            - `e`, which uses the `LowerExp` trait
 269            - `E`, which uses the `UpperExp` trait
 270            - `o`, which uses the `Octal` trait
 271            - `p`, which uses the `Pointer` trait
 272            - `b`, which uses the `Binary` trait
 273            - `x`, which uses the `LowerHex` trait
 274            - `X`, which uses the `UpperHex` trait
 275
 276 error: invalid reference to positional arguments 4, 5, 6 and 7 (there is 1 argument)
 277   --> $DIR/ifmt-bad-arg.rs:87:15
 278    |
 279 LL |     println!("{5} {:4$} {6:7$}", 1);
 280    |               ^^^ ^^--^ ^^^--^
 281    |                     |      |
 282    |                     |      this width flag expects an `usize` argument at position 7, but there is 1 argument
 283    |                     this width flag expects an `usize` argument at position 4, but there is 1 argument
 284    |
 285    = note: positional arguments are zero-based
 286    = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html
 287
 288 error: 2 positional arguments in format string, but no arguments were given
 289   --> $DIR/ifmt-bad-arg.rs:92:15
 290    |
 291 LL |     println!("{:.*}");
 292    |               ^^--^
 293    |                 |
 294    |                 this precision flag adds an extra required argument at position 0, which is why there are 2 arguments expected
 295    |
 296    = note: positional arguments are zero-based
 297    = note: for information about formatting flags, visit https://doc.rust-lang.org/std/fmt/index.html
 298
 299 error[E0308]: mismatched types
 300   --> $DIR/ifmt-bad-arg.rs:78:32
 301    |
 302 LL |     println!("{} {:.*} {}", 1, 3.2, 4);
 303    |                                ^^^ expected usize, found floating-point number
 304    |
 305    = note: expected type `&usize`
 306               found type `&{float}`
 307
 308 error[E0308]: mismatched types
 309   --> $DIR/ifmt-bad-arg.rs:81:35
 310    |
 311 LL |     println!("{} {:07$.*} {}", 1, 3.2, 4);
 312    |                                   ^^^ expected usize, found floating-point number
 313    |
 314    = note: expected type `&usize`
 315               found type `&{float}`
 316
 317 error: aborting due to 36 previous errors
 318
 319 For more information about this error, try `rustc --explain E0308`.