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test case for alias diff reporting

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This commit is contained in:
Folkert 2021-02-16 17:22:06 +01:00
parent 2a22f6254f
commit 22a9779fe4
2 changed files with 156 additions and 119 deletions
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2
compiler/mono/src/ir.rs
View file

@ -17,7 +17,7 @@ use roc_types::subs::{Content, FlatType, Subs, Variable};
use std::collections::HashMap; use std::collections::HashMap;
use ven_pretty::{BoxAllocator, DocAllocator, DocBuilder}; use ven_pretty::{BoxAllocator, DocAllocator, DocBuilder};
pub const PRETTY_PRINT_IR_SYMBOLS: bool = true; pub const PRETTY_PRINT_IR_SYMBOLS: bool = false;
macro_rules! return_on_layout_error { macro_rules! return_on_layout_error {
($env:expr, $layout_result:expr) => { ($env:expr, $layout_result:expr) => {

45
compiler/reporting/tests/test_reporting.rs
View file

@ -1132,7 +1132,7 @@ mod test_reporting {
But the type annotation on `x` says it should be: But the type annotation on `x` says it should be:
Int b Int a
Tip: You can convert between Int and Float using functions like Tip: You can convert between Int and Float using functions like
`Num.toFloat` and `Num.round`. `Num.toFloat` and `Num.round`.
@ -1171,7 +1171,7 @@ mod test_reporting {
But the type annotation on `x` says it should be: But the type annotation on `x` says it should be:
Int b Int a
Tip: You can convert between Int and Float using functions like Tip: You can convert between Int and Float using functions like
`Num.toFloat` and `Num.round`. `Num.toFloat` and `Num.round`.
@ -1207,7 +1207,7 @@ mod test_reporting {
But the type annotation on `x` says it should be: But the type annotation on `x` says it should be:
Int b Int a
Tip: You can convert between Int and Float using functions like Tip: You can convert between Int and Float using functions like
`Num.toFloat` and `Num.round`. `Num.toFloat` and `Num.round`.
@ -1541,7 +1541,7 @@ mod test_reporting {
But the type annotation says it should be: But the type annotation says it should be:
{ x : Int b } { x : Int a }
Tip: You can convert between Int and Float using functions like Tip: You can convert between Int and Float using functions like
`Num.toFloat` and `Num.round`. `Num.toFloat` and `Num.round`.
@ -4737,4 +4737,41 @@ mod test_reporting {
), ),
) )
} }
#[test]
fn alias_type_diff() {
report_problem_as(
indoc!(
r#"
HSet a : Set a
foo : Str -> HSet {}
myDict : HSet Str
myDict = foo "bar"
myDict
"#
),
indoc!(
r#"
── TYPE MISMATCH ───────────────────────────────────────────────────────────────
Something is off with the body of the `myDict` definition:
5│ myDict : HSet Str
6│ myDict = foo "bar"
^^^^^^^^^
This `foo` call produces:
HSet {}
But the type annotation on `myDict` says it should be:
HSet Str
"#
),
)
}
} }