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Merge pull request #3910 from lnicola/fn-named-param-hint

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Hide parameter hints for single-argument functions with the same name
This commit is contained in:
Aleksey Kladov 2020-04-11 14:48:14 +02:00 committed by GitHub
commit 8bd14a3483
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1 changed files with 12 additions and 5 deletions
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17
crates/ra_ide/src/inlay_hints.rs
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@ -235,7 +235,10 @@ fn should_show_param_hint(
param_name: &str,
argument: &ast::Expr,
) -> bool {
if param_name.is_empty() || is_argument_similar_to_param(argument, param_name) {
if param_name.is_empty()
|| is_argument_similar_to_param(argument, param_name)
|| Some(param_name) == fn_signature.name.as_ref().map(String::as_str)
{
return false;
}
@ -247,10 +250,7 @@ fn should_show_param_hint(
// avoid displaying hints for common functions like map, filter, etc.
// or other obvious words used in std
if parameters_len == 1 && is_obvious_param(param_name) {
return false;
}
true
parameters_len != 1 || !is_obvious_param(param_name)
}
fn is_argument_similar_to_param(argument: &ast::Expr, param_name: &str) -> bool {
@ -1086,6 +1086,8 @@ impl Test {
}
fn no_hints_expected(&self, _: i32, test_var: i32) {}
fn frob(&self, frob: bool) {}
}
struct Param {}
@ -1093,6 +1095,8 @@ struct Param {}
fn different_order(param: &Param) {}
fn different_order_mut(param: &mut Param) {}
fn twiddle(twiddle: bool) {}
fn main() {
let container: TestVarContainer = TestVarContainer { test_var: 42 };
let test: Test = Test {};
@ -1105,6 +1109,9 @@ fn main() {
let test_var: i32 = 55;
test_processed.no_hints_expected(22, test_var);
test_processed.no_hints_expected(33, container.test_var);
test_processed.frob(false);
twiddle(true);
let param_begin: Param = Param {};
different_order(&param_begin);