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Auto merge of #26935 - oli-obk:const_val_description, r=eddyb

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r? @eddyb 

Adding new variants is annoying as one needs to modify all these places that **don't** handle the new variant.

I chose not to use `Display` as I don't think it is appropriate.
This commit is contained in:
bors 2015-07-21 16:14:46 +00:00
commit 5dbddfb210
3 changed files with 51 additions and 54 deletions
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45
src/test/compile-fail/repeat_count.rs
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@ -12,47 +12,58 @@
fn main() {
let n = 1;
let a = [0; n]; //~ ERROR expected constant integer for repeat count, found variable
let a = [0; n];
//~^ ERROR expected constant integer for repeat count, found variable [E0307]
let b = [0; ()];
//~^ ERROR mismatched types
//~| expected `usize`
//~| found `()`
//~| expected usize
//~| found ()
//~| ERROR expected positive integer for repeat count, found tuple
//~^ ERROR mismatched types
//~| expected `usize`
//~| found `()`
//~| expected usize
//~| found ()) [E0308]
//~| ERROR expected positive integer for repeat count, found tuple [E0306]
let c = [0; true];
//~^ ERROR mismatched types
//~| expected `usize`
//~| found `bool`
//~| expected usize
//~| found bool
//~| ERROR expected positive integer for repeat count, found boolean
//~| found bool) [E0308]
//~| ERROR expected positive integer for repeat count, found boolean [E0306]
let d = [0; 0.5];
//~^ ERROR mismatched types
//~| expected `usize`
//~| found `_`
//~| expected usize
//~| found floating-point variable
//~| ERROR expected positive integer for repeat count, found float
//~| found floating-point variable) [E0308]
//~| ERROR expected positive integer for repeat count, found float [E0306]
let e = [0; "foo"];
//~^ ERROR mismatched types
//~| expected `usize`
//~| found `&'static str`
//~| expected usize
//~| found &-ptr
//~| ERROR expected positive integer for repeat count, found string
//~| found &-ptr) [E0308]
//~| ERROR expected positive integer for repeat count, found string literal [E0306]
let f = [0; -4_isize];
//~^ ERROR mismatched types
//~| expected `usize`
//~| found `isize`
//~| expected usize
//~| found isize
//~| ERROR expected positive integer for repeat count, found negative integer
//~| found isize) [E0308]
//~| ERROR expected positive integer for repeat count, found negative integer [E0306]
let f = [0_usize; -1_isize];
//~^ ERROR mismatched types
//~| expected `usize`
//~| found `isize`
//~| expected usize
//~| found isize
//~| ERROR expected positive integer for repeat count, found negative integer
//~| found isize) [E0308]
//~| ERROR expected positive integer for repeat count, found negative integer [E0306]
struct G {
g: (),
}
let g = [0; G { g: () }];
//~^ ERROR mismatched types
//~| expected `usize`
//~| found `main::G`
//~| expected usize
//~| found struct `main::G`) [E0308]
//~| ERROR expected positive integer for repeat count, found struct [E0306]
}