From e5eadb339039e21718d382c0b3d02a4bf053b3f4 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Tue, 26 Nov 2019 14:02:57 +0300
Subject: Introduce hir::Type

It should provide a convenient API over more low-level Ty
---
 crates/ra_ide_api/src/completion/complete_postfix.rs | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

(limited to 'crates/ra_ide_api/src/completion/complete_postfix.rs')

diff --git a/crates/ra_ide_api/src/completion/complete_postfix.rs b/crates/ra_ide_api/src/completion/complete_postfix.rs
index 17b75cf7e..646a30c76 100644
--- a/crates/ra_ide_api/src/completion/complete_postfix.rs
+++ b/crates/ra_ide_api/src/completion/complete_postfix.rs
@@ -1,6 +1,5 @@
 //! FIXME: write short doc here
 
-use hir::{Ty, TypeCtor};
 use ra_syntax::{ast::AstNode, TextRange, TextUnit};
 use ra_text_edit::TextEdit;
 
@@ -30,9 +29,12 @@ pub(super) fn complete_postfix(acc: &mut Completions, ctx: &CompletionContext) {
         dot_receiver.syntax().text().to_string()
     };
 
-    let receiver_ty = ctx.analyzer.type_of(ctx.db, &dot_receiver);
+    let receiver_ty = match ctx.analyzer.type_of(ctx.db, &dot_receiver) {
+        Some(it) => it,
+        None => return,
+    };
 
-    if is_bool_or_unknown(receiver_ty) {
+    if receiver_ty.is_bool() || receiver_ty.is_unknown() {
         postfix_snippet(ctx, "if", "if expr {}", &format!("if {} {{$0}}", receiver_text))
             .add_to(acc);
         postfix_snippet(
@@ -75,14 +77,6 @@ fn postfix_snippet(ctx: &CompletionContext, label: &str, detail: &str, snippet:
         .snippet_edit(edit)
 }
 
-fn is_bool_or_unknown(ty: Option<Ty>) -> bool {
-    match &ty {
-        Some(Ty::Apply(app)) if app.ctor == TypeCtor::Bool => true,
-        Some(Ty::Unknown) | None => true,
-        Some(_) => false,
-    }
-}
-
 #[cfg(test)]
 mod tests {
     use insta::assert_debug_snapshot;
-- 
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