From 1a01a5ae190ad02e44c3550ac0336b1f0983be51 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Fri, 30 Apr 2021 11:55:59 +0300
Subject: internal: fix naming polarity

Type Constructors have *parameters*, when they are substituted with type
*arguments*, we have a type.
---
 crates/hir/src/lib.rs                               | 2 +-
 crates/ide/src/runnables.rs                         | 6 +++---
 crates/ide_assists/src/handlers/extract_function.rs | 2 +-
 crates/ide_assists/src/utils/suggest_name.rs        | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

(limited to 'crates')

diff --git a/crates/hir/src/lib.rs b/crates/hir/src/lib.rs
index 9eb7672da..d8ccfde0c 100644
--- a/crates/hir/src/lib.rs
+++ b/crates/hir/src/lib.rs
@@ -1984,7 +1984,7 @@ impl Type {
         None
     }
 
-    pub fn type_parameters(&self) -> impl Iterator<Item = Type> + '_ {
+    pub fn type_arguments(&self) -> impl Iterator<Item = Type> + '_ {
         self.ty
             .strip_references()
             .as_adt()
diff --git a/crates/ide/src/runnables.rs b/crates/ide/src/runnables.rs
index 3eb9e27ee..f76715d84 100644
--- a/crates/ide/src/runnables.rs
+++ b/crates/ide/src/runnables.rs
@@ -304,11 +304,11 @@ fn module_def_doctest(sema: &Semantics<RootDatabase>, def: hir::ModuleDef) -> Op
                         let name = adt.name(sema.db);
                         let idx = path.rfind(':').map_or(0, |idx| idx + 1);
                         let (prefix, suffix) = path.split_at(idx);
-                        let mut ty_params = ty.type_parameters().peekable();
-                        let params = if ty_params.peek().is_some() {
+                        let mut ty_args = ty.type_arguments().peekable();
+                        let params = if ty_args.peek().is_some() {
                             format!(
                                 "<{}>",
-                                ty_params.format_with(", ", |ty, cb| cb(&ty.display(sema.db)))
+                                ty_args.format_with(", ", |ty, cb| cb(&ty.display(sema.db)))
                             )
                         } else {
                             String::new()
diff --git a/crates/ide_assists/src/handlers/extract_function.rs b/crates/ide_assists/src/handlers/extract_function.rs
index 5f80a40c8..b30652a9d 100644
--- a/crates/ide_assists/src/handlers/extract_function.rs
+++ b/crates/ide_assists/src/handlers/extract_function.rs
@@ -1183,7 +1183,7 @@ fn make_ret_ty(ctx: &AssistContext, module: hir::Module, fun: &Function) -> Opti
         }
         FlowHandler::Try { kind: TryKind::Result { ty: parent_ret_ty } } => {
             let handler_ty = parent_ret_ty
-                .type_parameters()
+                .type_arguments()
                 .nth(1)
                 .map(|ty| make_ty(&ty, ctx, module))
                 .unwrap_or_else(make::ty_unit);
diff --git a/crates/ide_assists/src/utils/suggest_name.rs b/crates/ide_assists/src/utils/suggest_name.rs
index 533624c1f..deafcd630 100644
--- a/crates/ide_assists/src/utils/suggest_name.rs
+++ b/crates/ide_assists/src/utils/suggest_name.rs
@@ -227,7 +227,7 @@ fn name_of_type(ty: &hir::Type, db: &RootDatabase) -> Option<String> {
         let name = adt.name(db).to_string();
 
         if WRAPPER_TYPES.contains(&name.as_str()) {
-            let inner_ty = ty.type_parameters().next()?;
+            let inner_ty = ty.type_arguments().next()?;
             return name_of_type(&inner_ty, db);
         }
 
-- 
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