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Improve hover over derference message

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This commit is contained in:
Teddy_Wang 2021-09-13 20:19:30 -04:00
parent 4d9728ccb2
commit 8de5d66e25
1 changed files with 11 additions and 11 deletions
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22
crates/ide/src/hover.rs
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@ -375,20 +375,20 @@ fn hover_deref_expr(
let original = original.display(sema.db).to_string();
let adjusted = adjusted_ty.display(sema.db).to_string();
let inner = inner_ty.display(sema.db).to_string();
let type_len = "Type: ".len();
let type_len = "To type: ".len();
let coerced_len = "Coerced to: ".len();
let deref_len = "Dereferenced from: ".len();
let max_len = (original.len() + type_len)
.max(adjusted.len() + coerced_len)
.max(inner.len() + deref_len);
format!(
"{bt_start}Type: {:>apad$}\nCoerced to: {:>opad$}\nDereferenced from: {:>ipad$}\n{bt_end}",
"{bt_start}Dereferenced from: {:>ipad$}\nTo type: {:>apad$}\nCoerced to: {:>opad$}\n{bt_end}",
inner,
original,
adjusted,
inner,
ipad = max_len - deref_len,
apad = max_len - type_len,
opad = max_len - coerced_len,
ipad = max_len - deref_len,
bt_start = if config.markdown() { "```text\n" } else { "" },
bt_end = if config.markdown() { "```\n" } else { "" }
)
@ -396,15 +396,15 @@ fn hover_deref_expr(
} else {
let original = original.display(sema.db).to_string();
let inner = inner_ty.display(sema.db).to_string();
let type_len = "Type: ".len();
let type_len = "To type: ".len();
let deref_len = "Dereferenced from: ".len();
let max_len = (original.len() + type_len).max(inner.len() + deref_len);
format!(
"{bt_start}Type: {:>apad$}\nDereferenced from: {:>ipad$}\n{bt_end}",
original,
"{bt_start}Dereferenced from: {:>ipad$}\nTo type: {:>apad$}\n{bt_end}",
inner,
apad = max_len - type_len,
original,
ipad = max_len - deref_len,
apad = max_len - type_len,
bt_start = if config.markdown() { "```text\n" } else { "" },
bt_end = if config.markdown() { "```\n" } else { "" }
)
@ -4542,8 +4542,8 @@ fn foo() {
"#,
expect![[r#"
```text
Type: i32
Dereferenced from: DerefExample<i32>
To type: i32
```
"#]],
);
@ -4575,9 +4575,9 @@ fn foo() {
"#,
expect![[r#"
```text
Type: &&&&&i32
Coerced to: &i32
Dereferenced from: DerefExample<&&&&&i32>
To type: &&&&&i32
Coerced to: &i32
```
"#]],
);